View All U.S. Assay Office / Humbert (1851-1852)

1851 Proof California Gold $50 - $50 LE Humbert, Copper

Strike Type
1851 Proof California Gold $50 - $50 LE Humbert, Copper

Coin Details

Year
1851
Denomination
Territorial
Mint Mark
P
Strike Type
Proof
Series
California Gold (1849-1855)
Designer
Augustus Humbert (U.S. Assayer)
Composition
Copper
Diameter
42mm
Edge
Lettered

Auction Record

$38,000 AU55 03-01-1980 Bowers & Ruddy

Description

This proof striking in copper of the 1851 Humbert fifty-dollar slug with lettered edge is among the most remarkable numismatic artifacts of the California Gold Rush. Copper impressions from gold coin dies served multiple purposes: die trials, presentation pieces, or pattern evaluations. The copper composition allows Humbert’s die work to be appreciated without gold’s reflectivity. The engine-turned reverse pattern, heraldic eagle, and lettered edge inscription are rendered with exceptional clarity on the softer copper planchet. As a non-gold striking from territorial gold dies, this piece bridges the worlds of pattern coinage and territorial issues. It provides invaluable evidence about the die-making capabilities of the U.S. Assay Office.

Rarity Notes

Unique or nearly so. Copper impressions of Humbert fifty-dollar dies are among the greatest rarities in American numismatics.

Cross References

K-9a (Kagin); PCGS #10209; NGC #31318; Augustus Humbert, U.S. Assay Office; copper proof impression

External References

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