United Naval Special Warfare. Condition: Used, and in niceshape. The coin is large 1 5/8 inches in diameter, with hard baked blue enamel. 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 5 Hard Baked Enamel Navy Challenge Coin / Five” is in sale since Friday, October 17, 2014. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “rolyat11″ and is located in Panama City, Florida. This item can be shipped worldwide.