Commander Naval Special Warfare Command. Condition: Used, and in good shape. The coin is 2 1/2 inches wide by 1 1/2 inches high with hard baked enamel. This is an exceptionally hard to find challenge coin. 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 “Commander Naval Special Warfare Command SEALs 2-Star Flipper Navy Challenge Coin” is in sale since Sunday, March 11, 2018. 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.