The 2021 W. Mint American Eagle One-Tenth Ounce Gold Proof Coin with COA 21EEN is a stunning piece of pure gold with a fineness of 0.9167. This coin, produced by the U.S. Mint, features a beautiful proof strike, making it highly sought after by coin collectors. With a precious metal content of 1/10 oz, this American Eagle coin is a valuable addition to any collection and comes with a Certificate of Authenticity (COA) for added verification.