The U.S. Mint American Eagle 2011 1 oz Silver Coin is a highly sought-after collectible item that belongs to the realm of bullion coins. This particular coin features a business strike type, indicating that it is minted for commercial purposes and not as a proof coin. With a composition of 99.9% silver and a weight of 1 oz, this coin is a valuable addition to any precious metal collection. The coin is unc ertified, making it a desirable option for those looking to add a piece of American numismatic history to their portfolio.