San Francisco Mint
E16639
The San Francisco Mint is a branch of the United States Mint historically known for producing circulating coinage and proof coins, particularly for the western United States.
All labels observed (5)
| Label | Occurrences |
|---|---|
| San Francisco Mint canonical | 24 |
| Old San Francisco Mint | 2 |
| Current San Francisco Mint facility | 1 |
| Old U.S. Mint, San Francisco | 1 |
| United States Mint facility, San Francisco, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T136674 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Mint Context triple: [United States Mint, hasOffice, San Francisco Mint]
-
A.
Denver Mint
The Denver Mint is a branch of the United States Mint that produces circulating coins and coin dies and stores gold and silver bullion in Denver, Colorado.
-
B.
United States Mint
The United States Mint is the federal agency responsible for producing the nation’s coinage and related official medals and bullion products.
-
C.
Bureau of Engraving and Printing
The Bureau of Engraving and Printing is a U.S. government agency responsible for designing and producing paper currency and other secure documents for the federal government.
-
D.
Dahlonega Mint
The Dahlonega Mint was a 19th-century branch of the U.S. Mint in Georgia that specialized in producing gold coins from locally mined gold.
-
E.
Sutter's Mill
Sutter's Mill was a sawmill in Coloma, California, historically significant as the site where gold was first discovered in 1848, triggering the California Gold Rush.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Francisco Mint Target entity description: The San Francisco Mint is a branch of the United States Mint historically known for producing circulating coinage and proof coins, particularly for the western United States.
-
A.
Denver Mint
The Denver Mint is a branch of the United States Mint that produces circulating coins and coin dies and stores gold and silver bullion in Denver, Colorado.
-
B.
United States Mint
The United States Mint is the federal agency responsible for producing the nation’s coinage and related official medals and bullion products.
-
C.
Bureau of Engraving and Printing
The Bureau of Engraving and Printing is a U.S. government agency responsible for designing and producing paper currency and other secure documents for the federal government.
-
D.
Dahlonega Mint
The Dahlonega Mint was a 19th-century branch of the U.S. Mint in Georgia that specialized in producing gold coins from locally mined gold.
-
E.
Sutter's Mill
Sutter's Mill was a sawmill in Coloma, California, historically significant as the site where gold was first discovered in 1848, triggering the California Gold Rush.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
United States Mint facility
ⓘ
United States Mint facility ⓘ United States Mint facility ⓘ government building ⓘ historic building ⓘ |
| architect | Alfred B. Mullett ⓘ |
| architecturalStyle | Greek Revival architecture ⓘ |
| constructionStartDate | 1869 ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| hasPart |
Current San Francisco Mint facility
ⓘ
linked to:
San Francisco Mint
Old San Francisco Mint ⓘ
linked to:
San Francisco Mint
|
| heritageDesignation |
California Historical Landmark
ⓘ
National Historic Landmark ⓘ |
| heritageDesignationDate |
1961
ⓘ
1964 ⓘ |
| historicalRole |
major producer of circulating coinage for the western United States in the 19th and 20th centuries
ⓘ
primary producer of proof coinage for the United States Mint in the late 20th century ⓘ |
| inception |
1874
ⓘ
1937 ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
California ⓘ
linked to:
California, United States
California ⓘ
linked to:
California, United States
San Francisco ⓘ San Francisco ⓘ San Francisco ⓘ United States of America ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| maintainedBy |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| materialUsed | granite ⓘ |
| mintMark | S ⓘ |
| nickname | The Granite Lady ⓘ |
| opened | 1854 ⓘ |
| operator | United States Mint ⓘ |
| ownedBy | United States Department of the Treasury ⓘ |
| produced |
circulating coinage
ⓘ
proof coins ⓘ |
| product |
United States cent coins
ⓘ
linked to:
United States coins
United States dime coins ⓘ United States dollar coins ⓘ United States half dollar coins ⓘ United States nickel coins ⓘ
linked to:
United States coins
United States quarter dollar coins ⓘ commemorative coins ⓘ proof coin sets ⓘ |
| serviceArea | western United States ⓘ |
| significantEvent |
Established to serve the California Gold Rush
ⓘ
Survived the 1906 San Francisco earthquake and fire ⓘ |
| streetAddress | 155 Hermann Street ⓘ |
| use |
bullion storage
ⓘ
coin production ⓘ historic site ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: San Francisco Mint Description of subject: The San Francisco Mint is a branch of the United States Mint historically known for producing circulating coinage and proof coins, particularly for the western United States.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Half Eagle (5-dollar gold coin)
subject linked to:
Quarter Eagle (2.50-dollar gold coin)
linked to: San Francisco Mint
linked to: San Francisco Mint
linked to: San Francisco Mint
linked to: San Francisco Mint
subject linked to:
United States quarter dollar coins
linked to: San Francisco Mint
subject linked to:
American Eagle gold bullion coins