The Semper Fi Challenge Coin is a Medals of America exclusive that is available now and ready to be shipped to your front door. Military Challenge Coins are one of the easiest ways to honor your service or someone else’s service and achievements. There is a whole culture around earning and collecting these coins. This coin is designed and made by veterans for veterans coin collections. Made of a zinc metal alloy and measures 45 mm in diameter and 4 mm in thickness. This is a two-sided coin with one of the sides displaying the official Marine Corps seal. The other side of the challenge coin displays the words “Semper Fi” and “till the day I die” below. The Semper Fi Challenge Coin would be a great addition to any coin collection. Either during the holiday season, military holidays like Veterans Day, or any time of the year would be a memorable gift for any veteran.