US NAVY NSW Naval Special Warfare Group TWO FY18 Chief Challenge Coin Glow #521. Gunmetal Color of the FY18 Season of Pride for Naval Special Warfare Group TWO SEAL INSIGNIA coin!!! On the back it has command emblem of those 6 commands attached to NSW Group TWOalong with famous bone frog that GLOWS IN THE DARK!! Limited production and serialized #521FY18!! The item “US NAVY NSW Naval Special Warfare Group TWO FY18 Chief Challenge Coin Glow #521″ is in sale since Monday, July 26, 2021. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “vr6tvital” and is located in Fernley, Nevada. This item can be shipped to United States.