US Air Force Colorized Cut-out Wing Challenge Coins Just $8.00 each! Challenge Coins are a tradition that started during WW 1. The first coins were issued to battalions as symbols of camaraderie and unity, and have been prized by Veteran’s ever since. Over time the “challenge” came when the service member having a coin to show proof of membership in a campaign, battle group or event. Challenge Coins are often traded between service members and are a great source of pride. This Air Force coin would make a wonderful addition to your collection or a great gift for the Air Force Veteran in your life! This extremely popular privately minted coin features a center cut-out of the Official US Air Force Logo. The obverse has the words “UNITED STATES” and “AIR FORCE”. The reverse has the words “INTEGRITY FIRST”~ “SERVICE BEFORE SELF” and “EXCELLENCE IN ALL WE DO”. This coin is not an official government issue, but it is a privately minted commemorative issue that is clad in Silver. This coin is a high quality collectable. These coins make a great gift or addition to your collection! Each coin comes in a plastic snap case to protect it. Photos show front and back views. These stunningly beautiful coins are just $8.00 each!