1870 Proof Seated Liberty Half Dime
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
$9,200 PR68 01-06-2004 Superior Galleries
Description
The 1870 Proof Seated Liberty Half Dime is a proof dime struck at the Philadelphia Mint, part of the Seated Liberty Half Dimes 1837-1873 series. With a mintage of 1,000, this is an extremely rare issue — the higher-mintage of the two mint variants, representing 0% 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 an agricultural wreath enclosing the denomination. Minted during Reconstruction and the Gilded Age, as the nation healed from civil war and debated the role of silver and gold in the monetary system. As a proof issue, this coin was struck multiple times on specially prepared polished planchets using polished dies, producing mirror-like fields and frosted design elements prized by collectors. Struck at the original U.S. Mint facility, in continuous operation since 1792. Estimated market value is approximately $668. Struck in 90% silver, 10% copper, weighing 1.24 grams, 15.9 mm in diameter, with a reeded edge. Cataloged as PCGS #4453.
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