View All 1840 Seated Liberty Half Dime

1840 (O) Seated Liberty Half Dime

Strike Type
1840 (O) Seated Liberty Half Dime

Coin Details

Year
1840
Denomination
Half Dime
Mint Mark
O
Strike Type
Regular Strike
Series
Seated Liberty Half Dimes 1837-1873
Designer
Robert Ball Hughes/Christian Gobrecht
Mintage
240,000
Composition
90% Silver, 10% Copper
Weight
1.34g
Diameter
15.9mm
Edge
Reeded

Value Estimates

$125 - $27,016

Values as of May 2026 — estimates reflect typical grades (G-4 through MS-63). Coins in lower or exceptional grades may fall outside this range.

Auction Record

$31,725 MS64 09-03-2015 Legend Rare Coin Auctions

Description

The 1840 (O) Seated Liberty Half Dime is a dime produced at the New Orleans Mint as part of the Seated Liberty Half Dimes 1837-1873 series. With a mintage of 240,000, this is a scarce issue — the lowest mintage among 4 mint variants, representing only 11% of total production. The obverse features Liberty seated on a rock, holding a pole surmounted by a Phrygian liberty cap in her left hand and a shield inscribed LIBERTY in her right and the reverse displays an agricultural wreath enclosing the denomination. Drapery added to Liberty's elbow, creating a new subtype. Struck at the New Orleans Mint, which operated from 1838 to 1909 and produced coins prized for their historical Southern provenance. Estimated market value ranges from $125 to $27K depending on grade and condition. Struck in 90% silver, 10% copper, weighing 1.34 grams, 15.9 mm in diameter, with a reeded edge. Cataloged as PCGS #4327.

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