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Challenge coin

A challenge coin is a small medallion bearing an organization's insignia, such as that of a military unit, presented by commanders to recognize special achievement or dedication among members.^[1]^[2] These coins serve dual purposes: as tokens of appreciation for hard work and morale-building, and as props in a longstanding informal tradition called the "challenge," where participants verify possession of their coin or face a lighthearted penalty, typically buying beverages for the group.^[3]^[1] The origins of challenge coins remain uncertain, with multiple apocryphal tales tracing back to World War I, including one involving a downed American pilot who proved his squadron affiliation via a custom medallion to avoid execution as a spy.^[4] Despite lacking definitive evidence, the practice has endured as a U.S. military custom for over a century, fostering unit pride and esprit de corps through personalized awards often designed with unit heraldry.^[3]^[5] In the challenge ritual, a participant announces the game—often by slamming their coin on a table—and others must produce theirs promptly, typically within four steps or seconds, to avoid the forfeit; rules emphasize constant carrying and immediate presentation to uphold the tradition's integrity.^[6]^[7] This custom, while informal and varying by unit, reinforces camaraderie and accountability without formal regulation.^[8] Originally confined to military contexts, challenge coins have expanded to civilian organizations, law enforcement, and corporations for similar recognition purposes, though their core significance lies in bolstering cohesion and honoring contributions in high-stakes environments.^[2]^[9]

Definition and Purpose

Core Definition

A challenge coin is a small, custom-designed medallion or coin, usually 1.5 to 2 inches in diameter, bearing the emblem, insignia, or motto of a military unit, organization, or specific command. These coins are typically struck in metal, such as bronze, brass, or silver, and may feature engravings, enamel fillings, or three-dimensional elements to represent achievements, deployments, or commemorative events.^[3]^[10] The primary function of a challenge coin is to serve as a tangible symbol of membership, recognition, and unit cohesion within military traditions, often presented by commanding officers to personnel for exemplary performance or participation in significant operations. Recipients are expected to carry the coin at all times as proof of affiliation, which is tested through an informal "challenge" ritual where failure to produce the coin results in a penalty, such as purchasing beverages for the group. This practice fosters accountability, pride, and camaraderie among service members.^[11]^[4] While rooted in U.S. armed forces customs dating back to at least the early 20th century, challenge coins have proliferated beyond the military to include law enforcement agencies, fire departments, and select civilian groups, adapting the core elements of award and verification to their contexts. Production often involves specialized minting processes to ensure durability and intricate detailing, with designs approved at organizational levels to maintain symbolic integrity.^[12]

Symbolic Role and Morale Benefits

Challenge coins serve as tangible emblems of unit identity, encapsulating the core values, mission, and historical ethos of military organizations through custom designs such as insignia, mottos, and symbolic imagery.^[13] These elements, often including unit crests or operational motifs, visually represent collective sacrifices and commitments, distinguishing members from outsiders during rituals and fostering a sense of exclusive belonging.^[14] In practice, coins awarded for specific achievements or deployments act as portable proof of affiliation, reinforcing hierarchical bonds and shared purpose without relying on verbal assertions.^[15] Beyond identification, challenge coins contribute to morale by providing personalized recognition that affirms individual contributions within a group context, thereby elevating self-esteem and motivation among recipients.^[16] Military leaders distribute them to commemorate milestones like successful missions or promotions, which sustains operational cohesion and counters the psychological strain of service through visible tokens of esteem.^[12] This practice builds esprit de corps by evoking pride in unit heritage, as evidenced in traditions where coins are displayed or exchanged to recall collective triumphs, thereby mitigating isolation and enhancing resilience.^[17] The morale uplift stems from the coins' role in ritualistic challenges, where successful presentation reinforces group norms and reciprocity, promoting accountability and mutual respect.^[18] Studies adapting similar token systems in high-stress groups report outcomes like heightened pride and connectedness, aligning with military observations of improved unit performance following coin distributions.^[19] Unlike generic awards, their portability and informality allow ongoing personal reaffirmation, sustaining long-term loyalty even post-assignment.^[20]

Historical Development

Ancient and Pre-Modern Precursors

In ancient Rome, legionnaires were awarded coins stamped with imperial or unit insignia following victorious battles, serving as tangible proof of service and valor to facilitate recognition or rewards upon return to civilian areas. These tokens, distinct from standard currency, were carried by soldiers to demonstrate legitimate pay or bonuses, predating formalized challenge rituals but embodying early symbolic validation of military affiliation.^[21]^[22] During the Renaissance, from the 15th century onward, portrait medals—non-circulating medallions cast or struck to commemorate individuals, events, or achievements—emerged as precursors to custom emblematic tokens. Initiated by artists such as Pisanello around 1438, these medals often featured profiles of nobility or rulers and functioned as portable symbols of honor, loyalty, or membership in elite circles, akin to later morale-boosting insignia.^[23] A direct analog to the challenge mechanism appeared in 17th-century France among Huguenot Protestants amid religious persecution. Following the 1685 Revocation of the Edict of Nantes, which intensified Catholic suppression, Huguenots employed méreaux—small lead or brass communion tokens bearing religious motifs—as covert identifiers. Congregants challenged each other to produce a méreau for entry into secret worship gatherings, verifying authenticity and excluding spies; failure to present one barred participation, mirroring the punitive and verificatory essence of modern rituals.^[24]^[25]

World War I Origins and Legend

The most widely circulated legend attributing the origin of challenge coins to World War I involves American volunteer pilots training in France around 1917-1918, when the U.S. entered the war and formed early flying squadrons with recruits from diverse backgrounds, including wealthy individuals who could afford custom insignia.^[1]^[10] One such affluent lieutenant reportedly commissioned small, solid-bronze medallions—embossed with squadron emblems—as tokens of camaraderie, which pilots carried in protective leather pouches attached to their identification.^[6]^[26] According to the tale, a young pilot's aircraft was shot down behind enemy lines, where he was stripped of all possessions except the coin pouch, which had lodged in his clothing and survived the crash.^[2] Captured by German forces intending to execute him as a suspected spy—lacking verifiable American insignia—he produced the medallion, prompting his captors to verify his identity via the wreckage before releasing him under truce protocols or forwarding him to higher command for confirmation.^[10]^[6] Upon returning to his squadron, the story culminates in a barroom "challenge," where comrades demanded proof of membership (the coin); those unable to produce theirs bought drinks, establishing an informal ritual of accountability and esprit de corps that evolved into modern coin challenges.^[1]^[26] Military historians, including those from Air Force units, emphasize that this narrative—while emblematic of early aviation culture—remains unverified folklore, with no primary documents, named individuals, or specific squadrons confirmed despite its persistence in oral traditions since at least the interwar period.^[27]^[26] Variants exist, such as French rather than German captors recognizing the coin as Allied, but the core elements underscore themes of unit identity amid the high-risk environment of nascent aerial warfare, where pilots faced summary execution risks without proof of affiliation.^[28]^[3] The legend's appeal lies in its alignment with documented WWI practices of custom squadron badges, though empirical evidence points to broader precursors in military token traditions rather than a singular invention.^[2]^[27]

Interwar and World War II Expansion

Following World War I, the U.S. military demobilized rapidly, with Army strength falling to about 14,000 officers and 122,000 enlisted personnel by June 30, 1920, reflecting broader peacetime constraints under the National Defense Act of 1920.^[29] This downsizing curtailed the spread of challenge coin practices, which had emerged in aviation squadrons, confining them primarily to the U.S. Army Air Service and its successor, the Army Air Corps established by the Air Corps Act of 1926. Historical records provide no verified examples of widespread interwar coin production or rituals beyond these elite flying units, where informal traditions persisted amid limited budgets and a focus on technological development rather than unit morale artifacts.^[29] World War II marked a pivotal expansion, as U.S. armed forces swelled from under 2 million in 1940 to over 12 million by 1945 through selective service and mobilization. Challenge coins proliferated beyond aviation to ground, naval, and special operations units, with commanders issuing them to recognize achievements, enhance cohesion, and verify loyalty amid espionage threats. Notable examples include coins from American bomber squadrons, the 101st Airborne Division, the Flying Tigers (1st American Volunteer Group), and various naval task forces, often featuring unit emblems, mottos, and mission-specific symbols.^[30] In Europe, Office of Strategic Services (OSS) personnel carried custom coins to prove affiliation and distinguish themselves from Nazi infiltrators during covert operations.^[31] Allied forces, including British and Canadian units, adopted similar practices, adapting the tradition for multinational cohesion in theaters like North Africa and the Pacific.^[30] This era's scale—coupled with industrialized production—transformed coins from niche squadron tokens into standardized morale tools, though the full challenge ritual formalized later.^[32]

Postwar Institutionalization

Following World War II, U.S. military personnel stationed in occupied Germany adapted a local tavern custom known as the "pfennig check," where patrons demonstrated solvency by producing a low-value coin to avoid buying rounds for the group; this evolved into the modern challenge ritual using unit-specific coins to verify membership and foster camaraderie.^[33] The practice gained traction among occupation forces, emphasizing accountability and esprit de corps in informal settings, though it remained ad hoc without formal endorsement.^[22] The first documented production of custom challenge coins for an entire military unit occurred during the Korean War (1950–1953), when Colonel William F. "Buffalo Bill" Quinn, commander of the 17th Infantry Regiment, commissioned medallions bearing the unit's buffalo emblem and inscription "17th Infantry Regiment—Buffaloes Don't Ski" to recognize soldiers' resilience in harsh winter campaigns.^[33] These coins, approximately the size of a nickel and dated to the conflict period, marked a shift toward standardized unit identifiers, with surviving examples confirming their use for morale and identification purposes.^[34] This initiative set a precedent, as regimental leaders began routinely minting coins to build cohesion amid the war's demands, including the regiment's defense of the Pusan Perimeter in August–September 1950. By the Vietnam War era (1955–1975), challenge coins had proliferated across U.S. Army, Air Force, Navy, and Marine Corps units, often customized for deployments, special operations teams, or milestones like the 1st Infantry Division's Tet Offensive engagements in 1968.^[35] Commanders leveraged them to reward valor and instill pride, with production scaling via private mints; for instance, squadrons and battalions issued thousands annually by the 1970s, embedding the tradition in training and ceremonies without regulatory oversight from the Department of Defense.^[2] This postwar expansion reflected causal drivers like prolonged Cold War deployments and the need for non-monetary incentives in volunteer forces, solidifying coins as symbols of institutional loyalty rather than mere tokens.

The Challenge Ritual

Standard Procedure

The standard procedure for the challenge coin ritual, as practiced in military and affiliated groups, commences when an individual initiates the challenge by either loudly proclaiming "coin check" or striking their coin forcefully against a hard surface, such as a table or bar, to draw attention.^[7]^[36] This action signals all present members—those expected to carry the unit's coin—to respond immediately by producing their own coin without undue delay, typically within 15 seconds or by advancing no more than four steps to access it from a pocket, wallet, or similar readily available location.^[37]^[38] Participants display their coins openly for collective inspection, often elevating them above head level or placing them on the surface to enable verification of authenticity, such as matching emblems, serial numbers, or unit insignia, ensuring the coin originates from a recognized authority within the group.^[7]^[39] The initiator's coin is presented first to establish legitimacy, after which others follow in turn, maintaining the coin in their possession without transferring it to another, as handing over a coin during a challenge equates to bestowing it as a gift.^[7]^[40] Upon successful presentation by all, the ritual concludes without penalty, reinforcing camaraderie and shared commitment; however, any participant unable to produce a valid coin incurs a customary forfeiture, such as procuring drinks or another agreed-upon tribute for those who complied.^[37]^[36] This sequence underscores the expectation of perpetual carriage of the coin, as challenges may arise unpredictably in social or informal settings.^[39]^[11]

Etiquette and Penalties

The etiquette surrounding challenge coin rituals emphasizes preparedness, respect for tradition, and prompt response during social or informal settings, typically bars or gatherings among unit members. Holders are expected to carry their coin at all times, as challenges may occur spontaneously without warning, reinforcing unit cohesion and vigilance.^[37]^[7] To initiate a challenge, the challenger withdraws their coin and either raises it visibly or taps it firmly on a surface such as a table or bar, signaling others present to respond.^[41]^[42] Those challenged must produce their own coin immediately, traditionally within four steps or a short distance, often by slamming it on the table to match the challenger's action, ensuring all coins are authentic and unit-issued.^[37]^[7] New recipients must be briefed on these rules upon receiving a coin to maintain the ritual's integrity.^[42] Failure to respond adequately incurs a penalty, most commonly the obligation to purchase drinks for the challenger or the group, though this is enforced in a lighthearted manner to foster camaraderie rather than strict discipline.^[42]^[7] If the challenged individual lacks their coin or cannot produce it promptly, the penalty applies without exception in traditional observance, though some groups adapt it to non-alcoholic alternatives like snacks or donations in professional contexts.^[37] Successful responses among all parties may reverse the dynamic, with the challenger buying drinks, underscoring mutual recognition of shared service.^[41] Coins should be kept clean and undamaged to honor their symbolic value during inspections.^[43]

Variations Across Groups

While the core elements of the challenge ritual—initiation by displaying a coin and announcing the check, prompt response by participants, and penalties for failure—remain consistent across most groups, procedural details such as response time, allowable retrieval distance, and initiation methods vary by military branch and unit. In the United States Marine Corps, for instance, participants have 10 seconds to produce a valid unit coin after the challenger shouts "coin check," with accidental drops counting as intentional initiations; altered coins, such as those drilled for keychains or attached to belt buckles, are deemed invalid.^[44] Other units permit up to four steps to retrieve a coin, beyond which it may be forfeit, or enforce a "one step and arm's reach" limit with no exceptions for location or attire.^[45] ^[8] Certain military traditions introduce additional layers, such as the "highest-ranking coin" rule in some Marine Corps contexts, where the coin presented by the highest-ranking individual or from the most prestigious deployment prevails, potentially altering penalty obligations among successful responders. Coin theft also features in select units, rewarding a successful thief with drinks from the group if the coin is acquired without detection. These unit-specific customs, including variations in shouting versus slamming the coin to initiate, reflect adaptations to foster camaraderie while maintaining discipline, though branches like the Army, Navy, and [Air Force](/page/Air Force) generally adhere to similar frameworks with minor procedural tweaks.^[44] ^[45] In non-military organizations, such as law enforcement agencies or corporate teams, the ritual adapts to cultural and environmental constraints, often replacing alcohol-related penalties with alternatives like purchasing meals, coffee, or performing group tasks to avoid formal prohibitions on drinking. For example, public safety departments may require the challenged individual to buy a "beverage of choice," accommodating sober settings or professional norms. These groups emphasize symbolic unity over punitive elements, with challenges less frequent in formal workplaces and penalties scaled to fit the context, such as contributing to a team fund rather than buying rounds.^[10] ^[15] Such modifications preserve the ritual's morale-boosting intent while aligning with non-combat environments.

Design and Production

Materials and Construction

Challenge coins are primarily constructed from base metals such as zinc alloy, which is favored for its affordability, ease of casting intricate designs, and resistance to corrosion, though it may lack the longevity of pricier alternatives.^[46] ^[47] Brass and bronze serve as common alternatives for premium coins, offering superior durability, a denser weight, and better retention of detail under wear, while copper or nickel bases provide options for specific aesthetic or conductive properties in custom orders.^[48] ^[49] Less frequently, pewter or iron alloys are employed for their moldability, but these are typically reserved for non-standard or commemorative pieces due to higher susceptibility to oxidation.^[47] Following the selection of base metal, coins undergo plating to achieve desired finishes, with options including polished or antique gold, silver, bronze, nickel, or black nickel applied via electroplating processes that add a thin protective layer of 24-karat gold, sterling silver equivalents, or other alloys, enhancing visual appeal and preventing base metal degradation.^[50] ^[51] This step typically follows the core forming and ensures the coin's surface withstands handling in ritual challenges without fading.^[52] The construction process commences with digital design using computer-aided drafting to translate artwork into tool-and-die specifications, followed by machining hardened steel dies via CNC milling for precision stamping.^[53] Metal blanks are then die-struck under thousands of pounds of pressure to imprint obverse and reverse details, producing raised and recessed elements that define the coin's tactile and symbolic profile.^[54] Post-striking, excess material is trimmed via lathe or CNC cutting for custom edge profiles—such as rope, wavy, or serrated borders—followed by deburring to smooth imperfections.^[55] Enamel colors, if incorporated, are hand-filled into recesses and kiln-fired for hardness, while final polishing and optional laser engraving for unit serials or dates complete the assembly, yielding coins typically measuring 1.5 to 2.75 inches in diameter and 0.08 to 0.12 inches thick.^[56] This method, rooted in traditional minting but adapted for low-volume customization, ensures reproducibility while accommodating unit-specific motifs.^[48]

Symbolic Elements and Customization

Challenge coins typically feature symbolic elements that encapsulate organizational identity, values, and historical significance. Common motifs include eagles representing strength, courage, and freedom, often incorporated in designs for U.S. military units to evoke national pride and vigilance.^[13]^[57] Swords symbolize duty, defense, and readiness, appearing frequently on coins to denote martial commitment and sacrifice.^[13] Flames or torches may signify endurance, transformation, or fallen comrades, adding layers of commemorative depth.^[13] Unit emblems, crests, and insignia form the core visual anchor, directly linking the coin to specific commands or squadrons, such as branch-specific icons like anchors for Navy units or stars for [Air Force](/page/Air Force) elements.^[58] Mottoes and slogans, inscribed on obverse or reverse sides, distill guiding principles—e.g., "Semper Fidelis" for Marines—reinforcing ethos and camaraderie.^[59] Dates of unit activation, deployment milestones, or campaign ribbons integrate temporal markers, personalizing the artifact to shared experiences.^[58] Customization allows for tailored expression, enabling commanders to embed personal heraldry, mission-specific icons, or rank badges alongside standard symbols, fostering a narrative of individual or collective achievement.^[58] For commemorative coins, elements like event logos or recipient names heighten exclusivity, while dual-sided designs contrast official emblems on one face with informal motifs—such as humorous unit in-jokes—on the other, balancing formality with morale-building levity.^[60] Color enamel fills differentiate symbolic zones, with gold or silver plating enhancing metallic finishes to denote hierarchy or prestige, as seen in high-polish variants for elite units.^[59] These practices ensure coins serve not merely as tokens but as compressed repositories of symbolism, verifiable through design archives from military mints since the 1970s expansion.^[13]

Manufacturing Techniques

Challenge coins are manufactured through specialized minting processes that emphasize durability and intricate detailing, with die striking and die casting as the predominant techniques. Die striking involves creating custom steel dies from the artwork design, which are then used to stamp designs onto metal blanks, typically brass or zinc alloy, under high pressure to produce raised or recessed elements with sharp edges and high relief.^[55]^[54] This method excels in replicating fine details and emblems, making it suitable for military-grade coins requiring precision, though it demands higher tooling costs for complex designs.^[61] In contrast, die casting employs molten metal—often zinc alloy—poured into a reusable mold formed from the design, allowing for three-dimensional sculpting and undercut features that die striking cannot achieve without additional steps.^[62]^[63] The process solidifies the metal rapidly, yielding coins with smooth surfaces and cost efficiency for larger runs or intricate geometries, but potentially softer edges and a higher risk of porosity or flashing if not refined.^[61]^[64] Die casting has gained popularity for custom orders due to its lower per-unit expense compared to die striking, particularly for organizations producing limited quantities.^[64] Following initial forming, coins undergo secondary treatments including edging (such as rope, reeded, or diamond-cut borders applied via specialized machinery), polishing to remove burrs and enhance luster, and metal plating in finishes like gold, nickel, or antique bronze for corrosion resistance and aesthetic appeal.^[48]^[53] Color application via soft or hard enameling follows: soft enamel fills recessed areas with epoxy that remains slightly raised and flexible to prevent cracking, while hard enamel is fired at high temperatures for a durable, flush surface mimicking cloisonné.^[65] These techniques ensure coins withstand handling during rituals, with production often scaled for batches of 100 to 10,000 units to balance customization and economy.^[56]

Primary Usage in Military Contexts

United States Military Traditions

In the United States military, challenge coins serve as symbols of recognition for exemplary service, unit cohesion, and shared sacrifice, presented by commanders to individuals or groups for outstanding achievements.^[1]^[66] These coins, often bearing organizational insignia, foster esprit de corps and are integral to traditions across branches including the Army, Navy, Air Force, and Marine Corps.^[67] While their origins trace to unverified World War I lore involving pilot identification, the practice gained institutional traction during and after the Korean War, with the first documented unit-specific coins issued by the Army's 17th Infantry Regiment between 1950 and 1951.^[1]^[68] The core tradition revolves around the "coin check" or challenge ritual, where a service member initiates by slamming their coin on a surface—often a bar or table—demanding others produce theirs to verify membership and loyalty.^[41] Participants must carry coins at all times and retrieve them within strict limits, typically four steps or 10-15 seconds, without handing them directly to challengers; failure results in penalties like buying drinks for the group, though this is informal and varies by context.^[41]^[37] This procedure, rooted in ensuring constant readiness, applies only among coin holders and reinforces camaraderie, with rules often explained upon issuance to maintain uniformity.^[28]^[1] Branch-specific customs adapt the tradition while preserving its essence. In the Air Force, the Airman's Coin is awarded upon basic military training graduation, marking career initiation, with the broader practice emphasizing morale and legacy from early aviation units.^[28] Marine Corps usage highlights unit pride, with coins traded or presented for operational successes, and checks conducted spontaneously to affirm allegiance.^[67] Army and Navy traditions similarly prioritize commander's coins for merit recognition, boosting belonging without formal doctrine, though policies govern procurement to ensure fiscal accountability, as in Defense Health Agency guidelines limiting awards to appropriated funds.^[2]^[69] Across services, coins symbolize intangible bonds formed through service, with no overarching regulation but consistent emphasis on ethical presentation to avoid commodification.^[70]

International Military Adoption

Challenge coins, while originating in the United States military, have gained adoption among allied forces through joint operations, training exercises, and NATO partnerships, serving similar purposes of unit recognition and morale enhancement. This spread reflects interoperability in multinational environments, where U.S. personnel introduced the tradition during deployments such as those in the Balkans and Afghanistan.^[71] In Canada, the Canadian Armed Forces utilize challenge coins to commemorate service milestones and foster unit cohesion, with examples including coins issued by the Royal Canadian Air Force Legacy series and specialized regiments like the Joint Signal Regiment.^[72] ^[73] The Royal Military College of Canada presents coins to officer cadets upon completion of first-year orientation, symbolizing entry into military tradition.^[74] The Australian Defence Force employs challenge coins to reward exceptional performance, particularly in the Royal Australian Navy, where coins for HMAS Hobart and other vessels are crafted from decommissioned ship steel to embody operational heritage; this practice was highlighted in a 2024 Department of Defence report on naval commemoratives.^[75] Custom designs incorporate unit emblems and mission motifs across army, navy, and air force branches.^[76] In the United Kingdom, British Army units adopted challenge coins around the mid-2000s for recruitment and achievement recognition, with elite formations such as the Special Air Service issuing them to denote membership and valor.^[77] NATO-led missions have further propagated the custom, yielding operational-specific coins for multinational contingents in Kosovo's Operation Joint Guardian and Afghanistan's Resolute Support Mission, underscoring shared symbolic value in coalition efforts.^[71] ^[78]

Expansion to Non-Military Organizations

Law Enforcement and Public Safety

Challenge coins have been adopted by law enforcement agencies as symbols of unit cohesion, recognition for exemplary service, and proof of membership during informal challenges, mirroring military traditions but adapted to policing contexts.^[79] Officers often receive these coins from superiors or peers for acts of valor, longevity in service, or completion of specialized training, such as SWAT operations or K-9 unit certifications, fostering morale and a sense of shared purpose.^[80] ^[81] The challenge ritual persists in some departments, where an officer taps a coin on a bar or surface to initiate a "prove it" exchange; failure to produce one's coin promptly may result in buying drinks for the group, reinforcing camaraderie without formal penalties.^[10] In municipal and federal police forces, custom coins frequently feature department badges, mottos like "To Protect and Serve," or emblems of specific divisions, such as narcotics or traffic units, and are distributed at ceremonies or retirements.^[82] High-ranking officials and retirees commonly display collections in offices or homes, serving as tangible records of career accomplishments and inter-agency exchanges.^[79] These tokens also extend to public safety roles beyond policing, including fire departments and emergency medical services (EMS), where they honor frontline responders for high-risk interventions, such as structure fires or mass casualty events.^[83] For instance, firefighter coins often incorporate motifs like the Maltese cross or thin red line, awarded for milestones including 20-year service pins or survival of line-of-duty injuries, while EMS variants recognize paramedics for life-saving procedures under duress.^[84] ^[85] This expansion into public safety underscores the coins' role in non-military hierarchies facing similar operational stresses, with agencies commissioning limited-edition runs—typically 500 to 1,000 units—for events like annual memorials or joint task force activations, ensuring exclusivity and motivational value.^[86] Despite their informal nature, these coins occasionally intersect with official commendations, as seen in departments integrating them into award protocols alongside badges or citations, though they lack statutory authority.^[80]

Government, Politics, and Fraternal Groups

Challenge coins have been adopted by various U.S. government agencies beyond the military, including the Department of Justice (DOJ), Drug Enforcement Administration (DEA), Department of Homeland Security (DHS), and Department of Defense (DOD) components, to recognize service, foster unit cohesion, and commemorate achievements among personnel.^[87]^[88] These coins often feature agency-specific emblems, such as seals or mottos, and are presented by officials to employees or visitors as tokens of appreciation or in ceremonial exchanges, mirroring military traditions but adapted to civilian federal roles.^[89] Government officials, including presidents, have utilized challenge coins in diplomatic and ceremonial contexts; for instance, it is customary for commanders and executive branch leaders to gift them to dignitaries or staff to symbolize welcome, alliance, or shared commitment to public service.^[90] In politics, challenge coins serve as campaign memorabilia, fundraising incentives, and symbols of affiliation for candidates, political action committees (PACs), and affiliated organizations.^[91]^[92] During the 2024 U.S. presidential election cycle, custom coins featuring candidate likenesses, such as those depicting Donald Trump, were produced and sold as collectibles to supporters, often with enameled designs highlighting slogans or imagery from the campaign.^[93]^[94] U.S. Senate ethics guidelines permit senators to use principal campaign committee funds for purchasing and distributing challenge coins in official capacities, provided they align with representational duties rather than personal promotion.^[95] Presidential challenge coins, distinct from military variants, emphasize executive authority and are awarded at high levels of government to denote prestige and recognition.^[96] Fraternal organizations, including Masonic lodges, college fraternities and sororities, and service clubs like the Elks, employ challenge coins to denote membership, honor contributions, and reinforce brotherhood or sisterhood.^[97]^[98]^[99] In Freemasonry, coins incorporate symbolic elements like the square and compass, distributed to members for milestones such as leadership roles or long-term dedication, serving as portable emblems of fraternal bonds.^[100] Greek life groups on campuses produce custom coins for events like initiations or alumni recognition, with designs reflecting chapter crests or mottos to commemorate participation and loyalty.^[101]^[102] Organizations such as the Elks Lodge offer coins for sale to members, directing proceeds toward charitable causes like veterans' support, thereby blending tradition with philanthropy.^[98]

Civilian and Commercial Applications

Challenge coins have expanded into the private sector, where corporations and businesses employ them for employee recognition programs, often awarding them for exceptional performance, project completions, or adherence to core values like integrity and teamwork.^[103]^[104] These tokens serve as enduring mementos of achievement, more personal and portable than traditional awards like plaques, thereby reinforcing workplace motivation and loyalty.^[105]^[106] In commercial branding, companies customize coins with logos, slogans, or mission statements to promote identity at events such as trade shows and conferences, distributing them to clients or partners to build lasting associations.^[107]^[108] For example, firms use them to commemorate milestones like anniversaries or product launches, integrating military-inspired symbolism into corporate culture for enhanced esprit de corps.^[109] Such applications leverage the coins' tactile appeal and exclusivity to differentiate brands in competitive markets.^[110] Private clubs, including motorcycle groups and hobbyist organizations, adopt challenge coins as discreet identifiers for members, akin to patches but more versatile for personal carry.^[111] Additionally, civilian entities issue them for fundraising, such as supporting humanitarian initiatives, where the coins' collectible nature aids in donor engagement.^[112] This commercial proliferation, while rooted in military tradition, prioritizes practical utility over ritual challenge protocols.^[113]

Collecting, Authenticity, and Market Dynamics

Collector Interest and Valuation

Collector interest in challenge coins primarily arises among military veterans, historians, and enthusiasts of insignia and unit memorabilia, driven by the coins' ties to specific operations, commands, and personal achievements within armed forces traditions.^[114] These items serve as tangible artifacts of esprit de corps and historical events, with appeal enhanced by their custom designs often featuring unit emblems, mottos, or mission-specific iconography that evoke narratives of service and rarity.^[115] Unlike currency, challenge coins lack standardized grading systems from bodies like PCGS or NGC, leading collectors to rely on informal networks such as online forums, eBay sales, and specialized military memorabilia dealers for trading and assessment.^[116] Valuation hinges on several empirical factors: scarcity from limited production runs, historical significance linked to pivotal events or elite units, material quality and craftsmanship (e.g., gold or silver plating, intricate enameling), and provenance verifying authenticity and origin.^[117]^[114] Condition plays a role, with uncirculated or mint-state examples commanding premiums over worn pieces, though sentimental or associative value—such as coins from Medal of Honor recipients or covert operations—often overrides minor defects.^[118] Common modern challenge coins, produced in bulk for morale purposes, typically fetch $5 to $50 in secondary markets, reflecting their abundance and lack of unique historical context.^[118] Rare specimens demonstrate higher valuations tied to documented scarcity and event prestige. For instance, coins commemorating the 2011 Operation Neptune Spear—the raid eliminating Osama bin Laden—have sold for thousands due to their association with a defining counterterrorism milestone and extremely limited distribution to participants.^[119] A 2010 listing for a Presidential commendation challenge coin sought $19,999, underscoring premiums for executive-level issuance, though actual realized prices vary by buyer demand and verification.^[120] Other examples include U.S. Army Diver coins from specialized training cohorts or early Vietnam-era Navy SEAL tokens, which can exceed $1,000 when authenticated through chain-of-custody documentation, as their low mintages (often under 100 units) and ties to high-risk operations amplify collector pursuit.^[121] Market dynamics remain niche and volatile, with no centralized auction houses dominating like in numismatics; instead, values emerge from peer-to-peer sales where empirical rarity trumps speculative hype.^[122]

Counterfeits and Verification Challenges

Counterfeit challenge coins, often produced without authorization from official units or organizations, undermine the symbolic value of authentic pieces by flooding markets with replicas that mimic military or commemorative designs. These fakes are typically manufactured overseas using lower-quality materials and lack the precision of genuine coins commissioned directly by commanding officers or units.^[123] Unscrupulous vendors exploit collector interest by selling these as official, particularly for high-profile units like the U.S. Secret Service, where distinguishing authorized from unauthorized versions proves challenging due to the absence of standardized markings.^[124] Verification relies on multiple physical and documentary checks, as challenge coins lack universal hallmarks or serial numbers. Authentic coins often feature high-relief stamping, smooth edges without burrs, and a resonant "ping" when tapped with a fingernail, contrasting with the dull thud of counterfeits made from inferior alloys.^[125] Weight discrepancies arise from substandard metals; genuine examples, frequently using brass or bronze with enamel inlays, feel substantial, while fakes may incorporate lighter composites or fail magnet tests if steel is substituted.^[126] Collectors are advised to inspect for spelling errors, generic phrasing absent official inscriptions like "PRESENTED BY THE COMMANDER" or "FOR EXCELLENCE," and provenance documentation, such as a letter from the issuing unit confirming production details.^[123] Challenges persist due to the decentralized nature of challenge coin issuance, with no central registry or grading authority akin to those for currency, making third-party authentication reliant on unit-specific knowledge. Overseas production, even for authorized designs, can introduce quality variations that blur lines with outright fakes, while digital reproductions enable rapid copying of engravings without capturing tactile authenticity.^[123] For rare or unit-exclusive coins tied to valor or achievement, verifying against official records or consulting specialized military memorabilia dealers is essential, though this process can be protracted and inconclusive without direct military corroboration.^[127] Such issues erode trust in the market, prompting collectors to prioritize coins from verified domestic mints over untraceable imports.^[128]

Cultural Impact and Critiques

Contributions to Esprit de Corps

Challenge coins serve as tangible symbols of unit membership and shared identity, reinforcing collective pride and cohesion among service members. By emblazoning unit insignias, mission emblems, or commemorative designs, these coins provide a physical representation of affiliation that members carry as a mark of belonging, fostering a sense of exclusivity and loyalty within groups.^[129]^[130] The ritual of the "coin check" or challenge further enhances esprit de corps by encouraging spontaneous interactions that test adherence to the tradition, where failure to produce the coin results in buying drinks or performing tasks, thereby promoting accountability, humor, and camaraderie in informal settings. This practice, rooted in military customs, heightens excitement and strengthens interpersonal bonds through repeated, light-hearted enforcement of group norms.^[41]^[15] Awards of challenge coins by commanders for exemplary performance or during ceremonies directly contribute to morale by offering personalized recognition that motivates individuals and underscores unit values. Military units report that such tokens reward excellence, commemorate deployments, and build team spirit, with traditions persisting across branches like the U.S. Marine Corps and Air Force to sustain high levels of motivation and unity.^[67]^[70]^[131]

Criticisms of Commercialization and Misuse

The proliferation of challenge coins through commercial production has drawn criticism for eroding their traditional symbolic value, originally rooted in military unit cohesion and rarity. Military observers argue that excessive issuance, often numbering in the hundreds per individual over a career, parallels economic inflation, diminishing perceived prestige and turning coins into commonplace trinkets rather than markers of distinction. For instance, U.S. Army personnel have reported that coins "lose their appeal after receiving so many during their military career," reducing their role in fostering genuine esprit de corps.^[2]^[132] Commercial sales of replica or knock-off coins, particularly those mimicking official military designs without authorization, further undermine the tradition by prioritizing profit over honor. Such practices are viewed as disrespectful to service members' sacrifices, as they commodify emblems of valor into mass-market items available online for personal gain. Producers and collectors alike decry this as a "disgrace," noting that unauthorized replication exploits the coins' cultural cachet while bypassing ethical constraints on official minting.^[133] Misuse of challenge coins has surfaced in scandals involving inappropriate or offensive designs, often reflecting underlying cultural issues within adopting organizations. In law enforcement, multiple incidents have prompted investigations and discipline; for example, Phoenix Police Department officers shared and sold a 2021 coin deemed "horrible" by experts for its inflammatory imagery, signaling deeper departmental problems. Similarly, a 2022 Dallas Police coin featuring racist stereotypes mocking a community led to an officer's suspension, while Maryland State Police faced at least four disciplinary actions since 2020 over coins with derogatory content, including insults and explicit drawings. These cases illustrate how the tradition's expansion beyond military contexts has enabled its co-optation for divisive or unprofessional ends, contravening regulations like the U.S. Army's TRADOC guidelines on coin awards, which aim to preserve integrity through controlled procurement and distribution.^[134]^[135]^[136]^[137]

References

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A challenge coin bears an organization's insignia and is presented by commanders to a member of the unit to recognize special achievement.
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Like many aspects of military tradition, the origins of the challenge coin are a matter of much debate with little supporting evidence.Missing: credible | Show results with:credible
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It became a tradition to ensure that all members carried their coin at all times. This was accomplished by a challenge conducted in the following manner.
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Apr 4, 2024 · These coins originated as military tokens that symbolize unity and esprit de corps. Historically, they were used to prove membership when ...
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Jan 30, 2025 · Military Challenge Coins Symbols of Unity & Service. From fostering unity among troops to symbolizing membership in various units, military ...
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Oct 23, 2024 · The consequences were identified as improved morale and pride and fostering belongingness, connectedness, and community.
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Rating 5.0 (22) The military challenge coin becomes a mark of pride for what the unit has faced together and their commitment to one another through their shared service. What ...Challenge Coins Can... · Personal Achievement · Don't Deface A Challenge...<|separator|>
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Mar 20, 2012 · Throughout my many years as an Air Force historian, I've heard a number of stories about how the challenge coin came to be.
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Mar 8, 2012 · Challenge coins are Air Force history, as the first challenge coins are from the pilots of World War I," said Ralph Jackson, 49th Wing historian.
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During World War II challenge coins again proved their worth in identifying friendly personnel from “Nazi Infiltrators”. Members of the Office of Strategic ...
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The History And Creation Of Challenge Coins - PinProsPlus
Challenge coins may have originated in Ancient Rome, with the first official use during the Korean War. They are used to prove membership or commemorate events.What is the Legend Behind the... · Challenge Coins and World...
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Challenge coins started in Ancient Rome, then used in WWI, Korean and Vietnam Wars, and now symbolize honor in military and other organizations.
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17th US Infantry Korea Challenge Coin / Pendant – SOLD
Jan 29, 2025 · 17th US Infantry Korea Challenge Coin / Pendant, Bares the dates 1950 -1954. The coin is perhaps one of the earliest challenge coins ...
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One of the earliest challenge coins was given by Colonel “Buffalo Bill” Quinn, who led 17th Infantry Regiment, during the Korean War. The challenge coin ...
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May 25, 2025 · A person initiates a check by loudly slamming their challenge coin on a table or calling out "coin check!" · Everyone in the group must ...
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### USMC Challenge Coin Rules, Coin Check Procedure, and Traditions
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How a Challenge Coin Check Works. As with any challenge there are differences in how, who, when and where these challenges can be played. The rules can also ...
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Challenge Coin Materials - Zinc vs. Brass
Our coins are typically made from zinc in most cases. They can be made of brass for an additional charge. The additional charge varies by coin design and size.
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What Materials are Used in Challenge Coins? - the/studio
Common materials for challenge coins include brass, iron, zinc alloy, and pewter. Zinc alloy and steel are primary materials used.
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The Making of Challenge Coins Explained
Apr 1, 2024 · Challenge coins are crafted from durable materials like bronze, brass, and nickel, ensuring their longevity and significance. · The design ...
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Challenge Coin Materials
Challenge coins have a core metal and plating finishes such as antique gold, antique silver, polished gold, black nickel, and more.
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Aug 7, 2024 · Eagles: Representing strength, courage, and freedom, eagles are a common symbol on a challenge coin, especially in military and government ...
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Aug 14, 2024 · Challenge coin designs carry significant symbolism, reflecting values, identity, and achievements. · Key design elements include emblems, mottoes ...
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Die struck coins are made by striking metal with a design, while die cast coins are made by pouring liquid metal into a mold. Die cast may not have the same ...
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Sep 20, 2024 · Another important advantage is that die-cast coins are more cost-effective and less expensive to produce than die-struck challenge coins.
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How Challenge Coins Are Made From Artwork
Jan 30, 2023 · The production process for soft enamel coins begins with metal plating, followed by color filling. On the contrary, hard enamel coins go through ...<|separator|>
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Aug 21, 2013 · The challenge coin has represented esprit de corps and has been part of military tradition for decades. Photo by Pfc. Samuel Ranney. Download.
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### Summary of Challenge Coin History (Korean War and Postwar Developments)
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[PDF] DHA-AI 012 - Health.mil
Establishes the DHA's procedures for purchasing, distributing, and documenting DHA challenge coin awards. To ensure the challenge coins are purchased and ...
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Sep 28, 2018 · Yet, few know how commander's coins – once known as challenge coins – came from. However, there are many theories regarding the origin and ...
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Free deliveryChallenge Coin USA offers Public Safety EMS challenge coins, lapel pins, patches, belt buckles, wall plaques, tie tags, cufflinks, and an EMS Coin.
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Free deliveryPublic Safety Fire departments Challenge Coins, Lapel Pins, Patches, Wall Plaques, Cuff Links, Money Clips, Tie Tags from the industry leader since 2003.
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Custom challenge coins are used for commemorating service, as membership tokens, awards, training completion, and as a way to reward donations.<|control11|><|separator|>
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Rating 4.9 (673) DEA coins, DOJ coins, DOD coins, DOHS Coins, we have made them! Honor your department with custom government challenge coins today! 877-514-8484.
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Government Challenge coins have a long history of being used by members of the armed forces, the emergency services, the police, and other government agencies.
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excess principal campaign committee funds or personal funds to purchase challenge coins and distribute the coins in connection with their official duties.
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Dec 19, 2024 · Presidential Challenge Coins are prestigious awards from the highest levels of government, while Military Challenge Coins foster camaraderie and honor within ...
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Freemason Challenge Coins
Rating 4.9 (821) The challenge coins we help design for lodges and Masons are as rich in symbolism and shared with members and non-members as tokens of appreciation, achievement ...
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Challenge Coins - Elks Lodge 9
We offer, at a very reasonable price of $10 apiece, our very own challenge coins. All proceeds go towards Veterans support. See Dave Roeth for yours.
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Recognition and Achievement - Masonic lodges often issue challenge coins to recognize members for their service, leadership, and commitment to the fraternity's ...<|control11|><|separator|>
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Activity Coins wants to help you leave a legacy in your fraternity or sorority, by providing custom challenge coins to commemorate all of your unique Greek life ...
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Jun 11, 2021 · Reward your employees with a custom employee recognition challenge coin that serves as a constant reminder of your appreciation!
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Rating 4.9 (673) A popular way to reinforce a corporate identity, commemorate company milestones and reward exceptional staff or loyal customers.
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Civilian Challenge Coins
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Aug 21, 2025 · 1. Operation Neptune Spear Challenge Coin: This coin was specially created to commemorate the U.S. military's 2011 operation that resulted in ...
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A POTUS commendation challenge coin came up for auction in 2010, with the seller asking for a whopping $19,999.Missing: market | Show results with:market<|separator|>
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Jan 30, 2025 · 11 of the Most Rare Military Challenge Coins Ever Given · 1. Rare Military Challenge Coins: US Army Diver Coin · 2. Friday the 13th · 3. Aggressive ...
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How Much Are Challenge Coins Worth? - PinProsPlus
Examples of High-Value Challenge Coins For most sellers, challenge coin pricing runs at an average unit price of $5 to $15 apiece. But a host of considerations ...‍The Cost of a Challenge Coin · Die · Scarcity · Fluctuating Market
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Jul 23, 2018 · How can a challenge coin collector spot fake challenge coins and how to authenticate the ones you have.
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Deceitful outsourcing of my Challenge coins : r/ChallengeCoins
Oct 4, 2024 · Look at all the USSS coins out there. It's hard to tell who's are real and who's are fake. Same with any of them, really. If you buy from an ...Issue with custom challenge coins : r/ChallengeCoins - Redditr/EDC on Reddit: Anyone else carry challenge coins with them? I've ...More results from www.reddit.com
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REAL Or FAKE | Challenge Coins value
Gently tap the coin with your fingernail. Authentic coins typically produce a distinct and resonant sound, while counterfeit coins may sound dull. How Can You ...
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Oct 25, 2020 · Authentic challenge coins that are presented to someone are very special. They may represent excellence at work or even valor in combat.Missing: counterfeits | Show results with:counterfeits
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Stolen Honor | The Commander's Challenge - WordPress.com
Unscrupulous vendors sell counterfeit military medals while worse; there are some whom promote themselves as having earned such false honors. Challenge coins ...
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Oct 8, 2017 · They've been an American military tradition for a century, meant to instill unit pride, improve esprit de corps and reward hard work and ...
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Jun 25, 2013 · The tradition of the military challenge coin has encouraged camaraderie and esprit de corps within the Vehicle Management schoolhouse. Here ...
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https://www.devildogdepot.com/usmc/usmc-challenge-coins-origins-rules-more/
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The Number Of Challenge Coins That Are Passed Out Is Too Damn ...
Dec 22, 2018 · The number of coins being presented today IS TOO DAMN HIGH. Just like with real money, if you make too much of it, the value goes way down.
[133]
Is It Okay to Sell Challenge Coins? - PinProsPlus
Knock off challenge coins sold online for profit replicating existing coins from is certain military operations is certainly a disgrace and should be avoided.
[134]
[PDF] Department of the Army *TRADOC Regulation 672-6 Headquarters ...
Jan 26, 2023 · This regulation prescribes U.S. Army Training and Doctrine Command policy and procedures for the purchase and award of military coins.
[135]
Experts discuss 'horrible' Phoenix police challenge coin
Mar 1, 2021 · A controversial challenge coin owned, shared, and sold by Phoenix officers raises serious concerns about the culture inside the city's police department.
[136]
Dallas police officer on leave for attempting to circulate 'challenge ...
Aug 31, 2022 · The images on the coin, a culmination of racist stereotypes appearing to mock the Oak Cliff community. "This coin and it's references...
[137]
Multiple Maryland State Police challenge coins prompt disciplinary ...
Nov 3, 2022 · State police have produced and circulated a series of questionable tokens in recent years, leading to at least four disciplinary actions since 2020.