This is a brand newmassive, unique, and sought after US Navy Seal- NSW Flask Navy Chief/CPO Challenge coin. This coin is almost 7 ounces. The top of the flask opens and this is a Challenge coin and not a real flask. Please view photos of picture to see the fine detail of this remarkable challenge coin. Only a limited number of these coins were produced and they will not be remade. I only have one of these coins available and it wont last long. Please feel free to message us with any questions. The item “Sought After- Massive- NSW Flask Navy Chief/CPO Challenge Coin. Navy SEAL” is in sale since Wednesday, December 19, 2018. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “gsquadcollectibles” and is located in Mountain View, California. This item can be shipped worldwide.