1866 (S) Seated Liberty Quarter
Strike Type
Coin Details
Value Estimates
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
$97,750 MS66 05-28-2008 Heritage Auctions
Description
The 1866 (S) Seated Liberty Quarter is a quarter produced at the San Francisco Mint as part of the Seated Liberty Quarters 1838-1891 series. With a mintage of 28,000, this is a scarce issue — the higher-mintage of the two mint variants, representing 63% of 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 to the reverse above the eagle. 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 $623 to $17K depending on grade and condition. Struck in 90% silver, 10% copper, weighing 6.2 grams, 24.3 mm in diameter, with a reeded edge. Cataloged as PCGS #5469.
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