The 2004 United States Mint US Currency 11 Coin Silver Proof Set is a highly sought-after collector's item that includes a variety of coins in uncirculated condition. Made of silver and struck with a proof finish, these coins are from the San Francisco Mint and are certified by the U.S. Mint. The set includes a range of coins that are all from the United States, making it a valuable addition to any coin collection. Combined Shipping.