This product is 10 Annual Sets from the US mint in San Francisco Mint is a lot of 10 Sets containing 109 uncirculated US Mint proof coins from the years 1999 through 2008, with a total of 10 annual sets included. The coins have a clad composition and were struck as proof in San Francisco. Each set comes with a U. Mint certification and is from the United States. 01, providing a comprehensive collection of coins from the specified years and mint.