Condition: Used, but in good shape. It has patina from age. The coin is 1 1/2 inches in diameter. To view miscellaneous challenge coins. NOTE: Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless specified above. The free listing tool. The item “Naval Special Warfare SEAL Team Four 1990s Navy Challenge Coin / 4″ is in sale since Tuesday, February 25, 2014. This item is in the category “Collectibles\Militaria\1992-2001\Original Period Items”. The seller is “rolyat11″ and is located in Panama City, Florida. This item can be shipped worldwide.