Twenty dollar coin Assay proof, United States, 1853

Moffat & Company's mint, San Francisco. Obverse: Eagle with shield, fineness above. Reverse: Engine-turning with name and date in center. This was the final production of the provisional United States operation in San Francisco. A formal branch U.S. Mint was set up soon and began operations in the spring of 1854. A few proof strikes of the 1853 double eagle are known, including this coin.
Currently not on view
Object Name
Date made
U.S. Assay Office
Physical Description
gold (overall metal)
0 (overall die axis)
0 (overall die axis measurement)
struck (overall production method)
overall: 34 mm; 1 11/32 in
place of issue
United States: California, San Francisco
ID Number
catalog number
accession number
Coins, Currency and Medals
See more items in
Armed Forces History: National Numismatic Collection
Data Source
National Museum of American History, Kenneth E. Behring Center
Publication title
Glossary of Coins and Currency Terms
Publication URL
Additional Media

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