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1866 (S) Seated Liberty Half Dollar - Motto

Strike Type
1866 (S) Seated Liberty Half Dollar - Motto

Coin Details

Year
1866
Denomination
Half Dollar
Mint Mark
S
Strike Type
Regular Strike
Series
Seated Liberty Half Dollars 1839-1891
Designer
Thomas Sully/Christian Gobrecht
Mintage
994,000
Composition
90% Silver, 10% Copper
Weight
12.4g
Diameter
30mm
Edge
Reeded

Value Estimates

$96 - $2,790

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

$17,625 MS65+ 10-28-2021 Legend Rare Coin Auctions

Description

The 1866 (S) Seated Liberty Half Dollar - Motto is a half dollar produced at the San Francisco Mint as part of the Seated Liberty Half Dollars 1839-1891 series. The U.S. Mint produced 994,000 examples, making this the highest mintage among 3 variants, accounting for 55% of the year's 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 a heraldic eagle with shield on breast, olive branch and arrows in talons, with a banner reading E PLURIBUS UNUM. Motto "IN GOD WE TRUST" added above the eagle on the reverse. Struck at the San Francisco Mint, established during the California Gold Rush and now primarily producing proof and collector coins. Estimated market value ranges from $96 to $2.8K depending on grade and condition. Struck in 90% silver, 10% copper, weighing 12.4 grams, 30 mm in diameter, with a reeded edge. Cataloged as PCGS #6320.

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