Here at Army Surplus World we carry a variety challenge coin. The Semper Fi Marine challenge coin is two sided and is made with premium metal. The USMC Semper Fi coin displays the renowned eagle, globe and anchor emblem on the back. The obverse features the legendary slogan of the Marines, along with the words 'Once a Marine Always a Marine. This 1.75” coin is minted in a brass alloy with an antique bronze finish and enamel highlights. The Semper Fi Challenge Coin has been upheld as treasured symbols of an unbreakable bond. Order your Semper Fi challenge coin from Army Surplus World today.