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U.S. Mint coin reference

1792: Bust Half Disme

An early federal silver five-cent piece made before the first United States Mint building was ready.

Years made: 1792

Country: United States

Denomination: Five cents (half disme)

Category: Early federal silver issue

Composition: 89.24% silver, 10.76% copper

Silver fineness: 89.24%

Standard weight: 20.8 grains (about 1.35 g)

Diameter: Approximately 17.5 mm

Edge: Reeded

Designer: Traditionally attributed to Robert Birch

Mint: Philadelphia

Mint mark: None

History: About 1,500 silver half dismes were made in 1792 while the first Mint building was still under construction.

Obverse: Left-facing Liberty surrounded by LIB. PAR. OF SCIENCE & INDUSTRY, with the date below.

Reverse: A small flying eagle surrounded by UNITED STATES OF AMERICA, with HALF DISME below.

1792 Bust Half Disme history notes

The half disme was the young nation’s first federal silver five-cent issue. The spelling “disme” reflects the decimal terminology used in the Coinage Act of 1792.

The United States Mint reports that 1,500 pieces were made in a nearby building’s cellar before the Philadelphia Mint was ready. PCGS lists fewer than 100 surviving examples.

Collectors evaluate strike definition, original surfaces, damage, repairs, and cleaning. Because genuine examples are rare and valuable, authentication is essential.