Proof versions of American Eagle Bullion coins are made by the United States Mint for collectors. After undergoing inspection by white gloved inspectors, each American Eagle Proof Coin is encased in special plastic with its own presentation case and accompanied by an official Certificate of Authenticity. Each coin's metal content and weight are definitely guaranteed by the United States Government. American Eagle Gold, Silver, and Platinum Proof Coins have a limited mintage and are available directly from the United States Mint.
In 2006, the United States Mint came up with a new American Eagle coin, the American Eagle Uncirculated Coins in silver, gold and platinum.
The American Eagle Silver Uncirculated Coin is available in a one-ounce size, while the American Eagle Uncirculated Coins in both gold and platinum are available in one-tenth, one-quarter, one-half and one ounce sizes, as well as a complete four-coin set containing one coin of each size. The American Eagle Platinum Uncirculated Coins bear the same reverse design as the American Eagle Platinum Proof Coins.