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1840 Proof

Dollars · Seated Liberty Dollars · 1840–1873
Regular Proof
Weight26.73 g
Diameter38.1 mm
MintPhiladelphia
StrikeProof
EdgeReeded
Alignment↑↓ Coin
Composition90% Silver, 10% Copper
DesignerChristian Gobrecht
Collector's Key IDCK-4511

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About this coinHistory

The 1840 Seated Liberty Dollar Proof is the first-year proof of the regular-issue series, struck at the Philadelphia Mint as a small presentation issue alongside the inaugural circulation-strike production of 61,005 pieces. The Mint did not separately document early Seated Dollar proof mintages, and estimates for 1840 Proof production range from approximately 10 to 25 pieces based on collector and pedigree research. The 1840 Proof carries the standard Christian Gobrecht obverse and the No Motto reverse that defines the early series through 1865, struck on specially prepared proof dies with mirrored fields and sharper detail than business-strike production.

Authentication of an 1840 Seated Dollar Proof requires careful examination of strike quality, mirrored field character, and surface preservation under five to ten power magnification alongside documented pedigree. The 1840 Proof shows fully struck Liberty drapery, sharp eagle feather definition, and deep mirror fields that distinguish formal proof production from business-strike prooflike examples. PCGS, the Professional Coin Grading Service, and NGC apply rigorous standards for early Seated Dollar Proof authentication, with pedigree documentation accompanying confirmed examples. Cameo and Deep Cameo designations are very scarce within the small surviving population, reflecting the brilliant rather than frosted device finish typical of early Seated Dollar proof production.

The 1840 Seated Dollar Proof is a regular-classification proof entry on this site under the standard catalog convention for Seated Dollar proofs, with the trophy-tier rarity reflected in the prose rather than the badge tier. The 1840 Proof pairs with the 1841 through 1850 P-mint proof sequence as the matched early Seated Dollar proof production set, distinct from the larger-mintage proof issues of 1859 onward. Auction records for confirmed 1840 Proof examples reach five figures for mid-grade and six figures for high-grade examples. For the early Seated Dollar proof production context and the Christian Gobrecht design background, see the Seated Liberty Dollar series history.

Price guideReference

Reference data only — not an appraisal.

GradeDescriptionLowHigh
PR-63 Proof (PR)
Frequently Asked QuestionsFAQ
What is a 1840 Proof Seated Liberty Dollar made of?
90% Silver, 10% Copper, weighing 26.73 g.
What is the melt value of a 1840 Proof Seated Liberty Dollar?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1840 Proof Seated Liberty Dollar a key date?
It's a more common date overall, though scarcer die varieties may carry a premium — see the varieties list.