The San Francisco Mint is a branch of the United States Mint. Opened in 1854 to serve the gold mines of the California Gold Rush, in twenty years its operations exceeded the capacity of the first building. It moved into a new one in 1874, now known as the Old San Francisco Mint. In 1937 Mint operations moved into a third building, the current one, completed that year.
The San Francisco Mint building, built in 1937
Image: 2006 San Francisco Mint Centennial Dollar Obverse
Image: 2006 San Francisco Mint Centennial Dollar Reverse
Original United States Mint and Subtreasury (1854) image from 2012
The United States Mint is a bureau of the Department of the Treasury responsible for producing coinage for the United States to conduct its trade and commerce, as well as controlling the movement of bullion. The U.S. Mint is one of two U.S. agencies that produce money in the case of minting coinage; the other is the Bureau of Engraving and Printing, which prints paper currency. The first United States Mint was created in Philadelphia in 1792, and soon joined by other centers, whose coins were identified by their own mint marks. There are currently four active coin-producing mints: Philadelphia, Denver, San Francisco, and West Point.
The First U.S. Branch Mint in California, which opened on April 3, 1854, is located at 608–619 Commercial Street in San Francisco. The building now houses the San Francisco Historical Society.
First United States Mint (Philadelphia); photo from 1904
The Philadelphia Mint
The Denver Mint