The 2005 American Eagle One Ounce Silver Proof Coin is a valuable collectible piece featuring a fineness of 0.999 and a striking proof finish. Minted by the U. Mint, this coin is made of silver and weighs 1 ounce. It comes with its original box and a Certificate of Authenticity, making it a desirable item for any coin collector or investor looking to add a piece of American history to their collection.