Has real sand inlayed on back of coin! Approx 3.5 in long. Truely one of a kind! Must have in any collection. The item “Navy Chief CPO Challenge Coin Hawaiian REAL SAND non nypd msg hawaii” is in sale since Sunday, July 22, 2018. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “sh-5211″ and is located in Covina, California. This item can be shipped to United States.