Alabama Centennial half dollar
E845016
The Alabama Centennial half dollar is a U.S. commemorative silver coin issued in 1921 to mark the 100th anniversary of Alabama’s statehood, notable for its dual-portrait obverse and limited mintage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alabama Centennial half dollar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151365 — 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: Alabama Centennial half dollar Context triple: [Laura Gardin Fraser, notableWork, Alabama Centennial half dollar]
-
A.
Oregon Trail Memorial half dollar
The Oregon Trail Memorial half dollar is a classic early 20th-century U.S. commemorative silver coin designed to honor pioneers who traveled the Oregon Trail.
-
B.
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.
-
C.
1892–1893 Columbian Exposition half dollar
The 1892–1893 Columbian Exposition half dollar is widely recognized as the first U.S. commemorative coin, issued to celebrate the World’s Columbian Exposition in Chicago honoring the 400th anniversary of Christopher Columbus’s voyage.
-
D.
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.
-
E.
Kennedy half dollar
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.
- 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: Alabama Centennial half dollar Target entity description: The Alabama Centennial half dollar is a U.S. commemorative silver coin issued in 1921 to mark the 100th anniversary of Alabama’s statehood, notable for its dual-portrait obverse and limited mintage.
-
A.
Oregon Trail Memorial half dollar
The Oregon Trail Memorial half dollar is a classic early 20th-century U.S. commemorative silver coin designed to honor pioneers who traveled the Oregon Trail.
-
B.
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.
-
C.
1892–1893 Columbian Exposition half dollar
The 1892–1893 Columbian Exposition half dollar is widely recognized as the first U.S. commemorative coin, issued to celebrate the World’s Columbian Exposition in Chicago honoring the 400th anniversary of Christopher Columbus’s voyage.
-
D.
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.
-
E.
Kennedy half dollar
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | United States commemorative coin ⓘ |
| authority | United States Congress ⓘ |
| category | Early United States commemorative coin ⓘ |
| collectibleStatus | highly sought by commemorative coin collectors ⓘ |
| commemorates |
Alabama Centennial
ⓘ
admission of Alabama to the Union ⓘ |
| composition | silver ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currency |
United States dollar
ⓘ
linked to:
US dollar
|
| denomination | half dollar ⓘ |
| designerObverse | Laura Gardin Fraser ⓘ |
| designerReverse | Laura Gardin Fraser ⓘ |
| diameter | 30.6 millimeters ⓘ |
| distributionMethod | sold at premium over face value ⓘ |
| distributionOrganization | Alabama Centennial Commission ⓘ |
| edge | reeded ⓘ |
| hasVariety |
2X2 variety with stars
ⓘ
plain variety without stars ⓘ |
| inscription |
1819
ⓘ
1919 ⓘ ALABAMA CENTENNIAL ⓘ HALF DOLLAR ⓘ STATE OF ALABAMA ⓘ
linked to:
Alabama
UNITED STATES OF AMERICA ⓘ
linked to:
United States of America
|
| livingPersonDepicted | Thomas E. Kilby ⓘ |
| mass | 12.5 grams ⓘ |
| mint | Philadelphia Mint ⓘ |
| mintage2X2Variety | approximately 6,000 pieces ⓘ |
| mintagePlainVariety | approximately 58,000 pieces ⓘ |
| mintageTotal | approximately 64,000 pieces ⓘ |
| motto |
E PLURIBUS UNUM
ⓘ
IN GOD WE TRUST ⓘ |
| notableFeature | first U.S. coin to depict a living person ⓘ |
| obverseDesign | portraits of William Wyatt Bibb and Thomas E. Kilby ⓘ |
| obverseFeature | dual portrait ⓘ |
| obverseFigure |
Thomas E. Kilby
ⓘ
William Wyatt Bibb ⓘ
linked to:
William W. Bibb
|
| orientation | coin alignment ⓘ |
| purpose | commemorate 100th anniversary of Alabama statehood ⓘ |
| reverseDesign |
Alabama state coat of arms
ⓘ
linked to:
Coat of arms of Alabama
|
| reverseFeature |
eagle with shield
ⓘ
scroll with state motto "Audemus Jura Nostra Defendere" ⓘ |
| shape | round ⓘ |
| silverContent | 0.36169 troy ounce ⓘ |
| stateCommemorated | Alabama ⓘ |
| Thomas E. KilbyRole | governor of Alabama at time of issue ⓘ |
| value | 50 cents ⓘ |
| William Wyatt BibbRole | first governor of Alabama ⓘ |
| yearOfIssue | 1921 ⓘ |
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: Alabama Centennial half dollar Description of subject: The Alabama Centennial half dollar is a U.S. commemorative silver coin issued in 1921 to mark the 100th anniversary of Alabama’s statehood, notable for its dual-portrait obverse and limited mintage.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.