This 2003 United States US Mint Silver Proof Set comes with a Box and COA and includes 10 coins. The coins are of the denomination $10 and are made of silver with a fineness of 0.9. The set was struck in San Francisco and is ungraded. It includes a variety of coins from the year 2003 and features a Proof strike type. The certification for this set comes from the U.S. Mint and it was not modified in any way. This is a great addition to any coin collection.