2.5 Dollars, United States, 1831

United States Mint, Philadelphia. Obverse: Capped head of Liberty facing left, stars around, date below. Reverse: Eagle, motto above, denomination below. In 1831, designer William Kneass extended his work (and the Mint its close collar) to quarter eagles in addition to half eagles. This Smithsonian 1831 proof quarter eagle and seven others are known.
Object Name
proof coin
date made
U.S. Mint. Philadelphia
Physical Description
gold (overall metal)
0 (overall die axis)
0 (overall die axis measurement)
struck (overall production method)
overall: .1 cm x 1.85 cm; 1/32 in x 23/32 in
place of issue
United States
ID Number
catalog number
accession number
Coins, Currency and Medals
See more items in
Armed Forces History: National Numismatic Collection
The Value of Money
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Transfer from the United States Mint
Publication title
Glossary of Coins and Currency Terms
Publication URL
Additional Media

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