Custom challenge coins are commemorative coins that are typically used to recognize military service or achievement within organizations, including businesses, clubs, and community groups. Design: Custom challenge coins typically feature a unique design that represents the organization, unit, or individual they commemorate. History: Challenge coins have a long history, dating back to World War I, when they were used to establish camaraderie and identity among military personnel. Uses: Custom challenge coins are used for a variety of purposes, including recognition, morale building, and as a symbol of membership or achievement within an organization. Customization: Custom challenge coins can be customized to include a wide range of features, such as enamel colors, 3D designs, and special shapes. Quality: Custom challenge coins are typically made from high-quality materials, such as brass, zinc, or stainless steel, to ensure durability and longevity. Overall, custom challenge coins serve as a unique and memorable way to commemorate and recognize individuals, organizations, and events.