1878 Proof Seated Liberty Dime
Strike Type
Coin Details
Value Estimates
Values as of May 2026 — estimates reflect typical grades (G-4 through MS-67). Coins in lower or exceptional grades may fall outside this range.
Auction Record
$4,290 PR65 08-10-1990 RARCOA
Description
The 1878 Proof Seated Liberty Dime is a proof dime struck at the Philadelphia Mint, part of the Seated Liberty Dimes 1837-1891 series. With a mintage of only 800, this is an extremely rare issue. 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, while the reverse displays an agricultural wreath enclosing the denomination (through 1859) or a wreath enclosing ONE DIME with the inscription UNITED STATES OF AMERICA (1860-1891). Designed by James Barton Longacre. Struck in 90% silver, 10% copper, weighing 2.5 grams, 17.9 mm in diameter, with a reeded edge. Cataloged as PCGS #4775. The Seated Liberty Dime ran for over half a century, making it one of the longest-lived U.S. Popular with variety collectors. The 1873-CC "No Arrows" is a major rarity (only one known). The 1894-S with a mintage of 24 is one of the most famous U.S. coins.
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