The 2010 US Mint Silver Proof Set includes coins made of 90% silver that are uncirculated and struck with a proof finish. Minted in San Francisco by the U. Mint, these coins are certified as genuine. This set is a valuable addition to any collection of US coins, showcasing the craftsmanship of American coinage. Perfect for collectors or those interested in expanding their knowledge of American numismatics, this set offers a glimpse into the history and artistry of minting coins in the United States.