1/2 oz $25 USD American Gold Eagle Coin BU (Random Years) Year: Random Grade: Brilliant Uncirculated Denomination: $25 USD Manufacturer: U.S. Mint Metal Content: 1/2 troy oz Purity: .9167 Gold Diameter: 27 mm Thickness: 2.24 mm The Gold American Eagle is based on the original design by Augustus Saint-Gaudens for the 1907-1933 $20.00 US Gold Double Eagle. The reverse features a nest of American eagles, signifying the strength and security of America. With an iconic design and 1/2 oz of U.S. Gold, the Gold Eagle combines the best aspects of collectibility and bullion investment appeal.