United States Navy Special Warfare. SEAL Team 10, 3 Troop. (3 Headed Dog, Cerberus, Hounds of Hades). Black Version, Circa 2020. Condition: Used, and in nice shape. The coin is 2 inches in diameter with epoxy on both sides, Circa 2020. The images have been blacked out to deter fake being made. NOTE: Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless specified above. The free listing tool. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “rolyat11″ and is located in this country: US. This item can be shipped worldwide.