Kennedy half dollar
E402979
The Kennedy half dollar is a U.S. fifty-cent coin first issued in 1964 to honor President John F. Kennedy, featuring his portrait on the obverse and widely collected despite limited circulation use in recent decades.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kennedy half dollar canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3925460 — 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: Kennedy half dollar Context triple: [United States half dollar coins, series, Kennedy half dollar]
-
A.
Franklin half dollar
The Franklin half dollar is a U.S. fifty-cent coin minted from 1948 to 1963 featuring Founding Father Benjamin Franklin on the obverse and the Liberty Bell on the reverse.
-
B.
Eisenhower dollar
The Eisenhower dollar is a large-size U.S. one-dollar coin issued from 1971 to 1978 featuring President Dwight D. Eisenhower on the obverse and an Apollo 11-themed eagle landing on the Moon on the reverse.
-
C.
Roosevelt dime
The Roosevelt dime is a U.S. ten-cent coin featuring President Franklin D. Roosevelt, introduced in 1946 and still in circulation today.
-
D.
Jefferson nickel
The Jefferson nickel is a U.S. five-cent coin first issued in 1938 featuring President Thomas Jefferson on the obverse and his home, Monticello, on the reverse.
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E.
Peace dollar
The Peace dollar is a U.S. silver dollar coin minted from 1921 to 1935, celebrated for its depiction of Lady Liberty and its commemoration of the end of World War I.
- 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: Kennedy half dollar Target entity description: The Kennedy half dollar is a U.S. fifty-cent coin first issued in 1964 to honor President John F. Kennedy, featuring his portrait on the obverse and widely collected despite limited circulation use in recent decades.
-
A.
Franklin half dollar
The Franklin half dollar is a U.S. fifty-cent coin minted from 1948 to 1963 featuring Founding Father Benjamin Franklin on the obverse and the Liberty Bell on the reverse.
-
B.
Eisenhower dollar
The Eisenhower dollar is a large-size U.S. one-dollar coin issued from 1971 to 1978 featuring President Dwight D. Eisenhower on the obverse and an Apollo 11-themed eagle landing on the Moon on the reverse.
-
C.
Roosevelt dime
The Roosevelt dime is a U.S. ten-cent coin featuring President Franklin D. Roosevelt, introduced in 1946 and still in circulation today.
-
D.
Jefferson nickel
The Jefferson nickel is a U.S. five-cent coin first issued in 1938 featuring President Thomas Jefferson on the obverse and his home, Monticello, on the reverse.
-
E.
Peace dollar
The Peace dollar is a U.S. silver dollar coin minted from 1921 to 1935, celebrated for its depiction of Lady Liberty and its commemoration of the end of World War I.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States coin
ⓘ
circulating commemorative coin ⓘ |
| category | half dollar coins of the United States ⓘ |
| circulationUse | limited in everyday commerce since late 20th century ⓘ |
| collectibility | widely collected by date and mint mark ⓘ |
| composition |
40% silver, 60% copper (1965–1970 regular issues)
ⓘ
90% silver (various later collector issues) ⓘ 90% silver, 10% copper (1964) ⓘ copper–nickel clad (post-1970 circulation strikes) ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currency |
US dollar
ⓘ
surface form:
United States dollar
|
| denomination | 50 cents ⓘ |
| diameter | 30.6 mm ⓘ |
| edge | reeded ⓘ |
| faceOnCoin | 35th President of the United States ⓘ |
| firstYearOfIssue | 1964 ⓘ |
| honoree | John F. Kennedy ⓘ |
| inscription |
E PLURIBUS UNUM
ⓘ
HALF DOLLAR ⓘ IN GOD WE TRUST ⓘ LIBERTY ⓘ United States of America ⓘ
surface form:
UNITED STATES OF AMERICA
|
| introduced | 1964 ⓘ |
| mass |
11.34 g (copper–nickel clad issue)
ⓘ
11.50 g (1965–1970 clad silver issue) ⓘ 12.50 g (1964 silver issue) ⓘ |
| metalChange | silver to clad composition after 1970 for circulation issues ⓘ |
| mintingAuthority | United States Mint ⓘ |
| mintMarks |
D
ⓘ
P ⓘ S ⓘ W (on some special issues) ⓘ |
| notableVariety |
1964 Accented Hair proof variety
ⓘ
1970-D key-date circulation issue (mint set only) ⓘ |
| notableYear | 1964 high-mintage first year ⓘ |
| obverseDesign | portrait of John F. Kennedy ⓘ |
| obverseDesigner | Gilroy Roberts ⓘ |
| obverseOrientation | left-facing portrait ⓘ |
| precededBy | Franklin half dollar ⓘ |
| primaryUse | collector coin ⓘ |
| reasonForCreation | to honor President John F. Kennedy after his assassination ⓘ |
| reverseDesign |
Seal of the President of the United States
ⓘ
surface form:
Presidential Seal
|
| reverseDesigner | Frank Gasparro ⓘ |
| reverseMotif |
heraldic eagle with shield
ⓘ
olive branch and arrows ⓘ ring of stars ⓘ |
| status | legal tender in the United States ⓘ |
| thickness | 2.15 mm ⓘ |
| value | 0.50 US dollars ⓘ |
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: Kennedy half dollar Description of subject: The Kennedy half dollar is a U.S. fifty-cent coin first issued in 1964 to honor President John F. Kennedy, featuring his portrait on the obverse and widely collected despite limited circulation use in recent decades.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.