The 250th Anniversary United States Navy American Eagle One Ounce Silver Proof Coin is a commemorative coin minted by the U. Mint to celebrate the 250th anniversary of the United States Navy. This coin features the iconic American Eagle design and is composed of 99.9% silver with a weight of one ounce. It is a valuable collectible item for those interested in silver bullion and American patriotic coins. The coin comes in a proof finish and is not certified, making it a desirable piece for collectors and investors alike.