The 2007 United States Mint Silver Proof 14 Coin Set is a highly sought after collection for coin enthusiasts. This set includes 14 coins made of. 9 fineness silver, each struck in proof condition at the San Francisco Mint. Certified by the U. Mint, these coins are of uncirculated quality and are a valuable addition to any coin collection. The set showcases the intricate designs and craftsmanship of the United States Mint, making it a desirable item for collectors looking for pristine silver coins. Very nice coins,, perfect condition.