US Navy – MCPON #14 S. Giordano Challenge Coin CPO / Navy Chief Navy Pride. Please see photos for condition and description. Measures 2.25 tall and roughly 1.80 wide. This may be your only chance to obtain one of these super rare challenge coins. The item “US Navy MCPON #14 S. Giordano Challenge Coin CPO / Navy Chief Navy Pride. USN” is in sale since Wednesday, February 6, 2019. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “moodie111″ and is located in Norfolk, Virginia. This item can be shipped to United States.