2011 US MINT SILVER PROOF SET COMPLETE 14 COINS AND CERTIFICATE OF AUTHENTICITY The 2011 US Mint Silver Proof Set includes 14 coins ranging from one dollar to one cent, all made of 90% silver. This set is uncirculated and comes with a certificate of authenticity from the U.S. Mint, minted in San Francisco. With a total value of $28.30, this set contains a variety of denominations to add to any coin collection. Each coin is struck with a proof finish, making them highly sought after by collectors for their shiny and pristine appearance.