<ul><li>United States Marine Corps USMC 1st Marine Division Always Faithful Challenge Coin</li><li>Coin Measures 1-5/8" in diameter</li><li>High Quality Design and Metalwork</li><li>Double-Sided Coin</li></ul><br><br>Challenge coins are the number one collectible item for US Military personnel. Almost every unit now has its own unique coin.<br><br>Challenge coins can be used to signify membership in a particular squadron or regiment, be presented by unit commanders in recognition of special achievement by a member of their unit, or to commemorate a special event or occasion.