The address of the Old Mint Building is: 88 5Th St, San Francisco, CA 94103-1810
The web address of the Old Mint Building is: http://www.sanfranciscomuseum.org
The phone number of the Old Mint Building is: 415-537-1105.
The address of the Urban Preservation Foundation is: 14 Mint Street 5Th Floor, San Francisco, CA 94103-1883
If your coin has a "S" mint mark on it means that it was made at the San Francisco mint in California.
The Philadelphia Mint is in Pennsylvania, the Denver Mint is in Colorado, the San Francisco Mint is in California, and the West Point Mint is in New York.
The New Queensland Mint is located in California, USA.
The 3 US Mints operating in 1972 were the Philadelphia, Pennsylvania mint, the Denver,Colorado mint and the San Francisco, California mint.
Gold coins are being minted by U.S. Mint HQ in Philadelphia, Pennsylvania. Other mint facilities are located in Denver (Colorado), West Point (New York), San Francisco (California) and Fort Knox (Kentucky).
If it has one it would be located on the reverse side of the coin just above the letter "D" in the word "DOLLAR". The mint mark "S" is for San Francisco, California. The mint mark "CC" is for Carson City, Nevada. If there is no mint mark the coin was struck at the mint in Philadelphia, Pennsylvania.
San Francisco
On the back, to the right of the base of the building. No mint mark = Philadelphia D = Denver S = San Francisco
San Francisco Mint was created in 1854.