This rare Navy USN Chiefs Mess CPO Challenge Coin is a highly sought-after item for collectors of militaria. With its golden shellback certificate coin design, it is a unique addition to any collection. The coin features the original US Navy logo and is a true piece of history. This challenge coin is a must-have for any military or Navy enthusiast. It is an original item and is not modified in any way. The coin is perfect for display or as a gift for anyone who loves the Navy. Add this rare item to your collection today!