The 2012 S Proof and Reverse Proof Silver Eagle Two Coin San Francisco Set. The set includes two American Eagle coins minted by the U. Each coin is composed of 0.999 fine silver with a total precious metal content of 2.0 oz. The set comes with a box and a Certificate of Authenticity, making it a valuable addition to any coin collection. With their unique reverse proof and proof strike types, these coins offer a distinctive visual appeal and are a prized possession for collectors and investors alike. Box documents and the COA are included! Please view all of the pictures. They are of the item that you will receive. We thank you for looking at our listing. Doctor Cash Coin & Pawn.