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1866 Proof

Small Cents · Indian Head Cents · 1859–1909
Key date Proof
Weight3.11 g
Diameter19 mm
MintPhiladelphia
StrikeProof
Mintage 725
EdgePlain
Alignment↑↓ Coin
Composition95% Copper, 5% Tin & Zinc
DesignerJames B. Longacre
Collector's Key IDCK-328

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About this coinHistory

The 1866 proof Indian Head cent was struck in a mintage of approximately 725 proofs. The Mint's proof production had stabilized by the mid-1860s into a routine annual operation. Collectors ordered proof sets by mail, and the Mint fulfilled orders throughout the year. The 1866 proof shows the bronze composition in its mature proof form: deeply mirrored fields, sharp device detail, and surfaces that range from brilliant red to deep brown depending on storage conditions and the passage of time.

The Reconstruction era did not diminish collector interest in proof coins. If anything, the growing stability of the post-war period allowed the numismatic hobby to expand. New collectors entered the field, auction houses held regular sales, and the Mint's proof program served as the primary source of new material for the hobby.

Price guideReference

Reference data only — not an appraisal.

GradeDescriptionLowHigh
PR-63 Proof (PR)
Frequently Asked QuestionsFAQ
How many 1866 Proof Indian Head Cents were minted?
725 were struck.
What is a 1866 Proof Indian Head Cent made of?
95% Copper, 5% Tin & Zinc, weighing 3.11 g.
What is the melt value of a 1866 Proof Indian Head Cent?
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 1866 Proof Indian Head Cent a key date?
Yes — the 1866 Proof Indian Head Cent is considered a key date in the Indian Head Cents series and commands a strong premium.