Special Reconnaissance Team Two. East Coast SEAL Recon. Don’t Tread On Me. Condition : Used and in nice shape. This coin is 2 inches in diameter with epoxy on the Don’t Tread side. Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless otherwise specified above. The free listing tool. The item “Special Reconnaissance Team Two SRT-2 SEAL Don’t Tread on Me Navy Challenge Coin” is in sale since Thursday, September 26, 2019. 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.