
Three-Dollar Gold · 1854–1889
1870 Three-Dollar Gold
Designer
James B. Longacre
Composition
90% gold, 10% copper
Diameter
20.5 mm
Mass
5.015 g
Thickness
1.3 mm
Edge
Reeded
Mints
Philadelphia, New Orleans, San Francisco
Metal
Gold
Mintage
1870-P · Philadelphia
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1870-O · New Orleans
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1870-S · San Francisco
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