The 2008 American Silver Eagle Proof 1oz Silver Bullion Coin is a highly sought after collectible item that features a proof strike type and a fineness of 0.999. Minted by the U.S. Mint, this coin is made of silver and contains 1 ounce of precious metal content per unit. With its iconic American Eagle design and certification from the United States government, this coin is a valuable addition to any coin collection or investment portfolio.