Us navy challenge coin. Large 6 inch pineapple bombs. The item “Us navy challenge coin” is in sale since Wednesday, September 15, 2021. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “jrpenney1980″ and is located in Puyallup, Washington. This item can be shipped to United States.