Site information:

608-610 Commercial St near Montgomery, San Francisco

Nothing remains of this site, as far as I know.

37.794211, -122.403627

Plaque information:

State plaque

Plaque text:

Site of First U.S. Branch Mint

The first United States branch mint in San Francisco was authorized by Congress July 3, 1852 and opened for operation April 3, 1854. Dr. L. A. Birdsall was the first superintendent, J. Huston, first minter, and A. Haraszthy, first assayer.

Tablet placed by California Centennials Commission with the cooperation of the Society of California Pioneers. Dedicated October 31, 1949.

Registered 3/29/1933