This 2012 S Two-Coin Silver Proof Set American Eagle San Francisco OGP w/Box&COA is a great addition to any coin collection. The set includes two 1 oz silver coins with a fineness of. The coins are in proof strike type and are from the U. The coins are in excellent condition and come with original government packaging, box and certificate of authenticity. The coins were made in the United States by San Francisco Mint in 2012. This is a great opportunity for collectors to add to their collection with a valuable piece of American history.