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1866 Proof

Two & Three Cents · Three-Cent Silvers (Trimes) · 1851–1873
Key date Proof
Weight0.75 g
Diameter14 mm
MintPhiladelphia
StrikeProof
Mintage 725
EdgePlain
Alignment↑↓ Coin
Composition90% Silver, 10% Copper
DesignerJames B. Longacre
Collector's Key IDCK-920

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About this coinHistory

Proof production for 1866 climbed to approximately 725 coins. The increase reflects the post-war recovery of the collector market and the growing awareness that the three-cent silver was becoming a rarity in all forms. Collectors recognized the low circulation mintages of the denomination and increased their proof purchases accordingly.

Price guideReference

Reference data only — not an appraisal.

GradeDescriptionLowHigh
PR-63 Proof (PR)
Frequently Asked QuestionsFAQ
How many 1866 Proof Three-Cent Silvers (Trimes) were minted?
725 were struck.
What is a 1866 Proof Three-Cent Silver (Trimes) made of?
90% Silver, 10% Copper, weighing 0.75 g.
What is the melt value of a 1866 Proof Three-Cent Silver (Trimes)?
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 Three-Cent Silver (Trimes) a key date?
Yes — the 1866 Proof Three-Cent Silver (Trimes) is considered a key date in the Three-Cent Silvers (Trimes) series and commands a strong premium.