Check the listing for details. HEADS WE WIN TAILS YOU LOSE 24K GOLD CLAD ROUND CHALLENGE COIN ARMY NAVY MARINES. Condition: New. Listed at 13.75 USD. This auction is for a 24K Gold Plated Heads We Win Tails You Lose Military Challenge Coin! The coin measures about 1 3/4 inches in diameter. The coin also comes in a hard plastic protective case around the coin. The coin is in mint condition. Great collectible Challenge coin to own or give as a present or gift! What are 24K Gold Plated Clad Challenge Coins you might ask well first they are collectible pieces of art. They also make great small gifts for friends or family and great Christmas stocking stuffers for the holiday. Gold clad coins consist of a hard metal and then the coin is plated or clad in a fine layer of Gold on the outside which is the 100 Mills or layered Gold. The actual Gold content on the coin is little or very minimal but this makes them appealing as well as affordable to buy and collect!.