Authentic Military Challenge Coin. Bought a few large personal collections and will be listing them over the next few days. Feel proud to own this Navy Seal Challenge Coin! American Flag not included. The item “AUTHENTIC SEAL Team Ten Naval Special Warfare NSW 10 Navy Challenge Coin” is in sale since Saturday, September 22, 2018. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “dou_2627″ and is located in Pensacola, Florida. This item can be shipped to United States.