Half Dollars · 1839–1891
1870 Seated Liberty Half Dollar
Designer
Christian Gobrecht
Composition
90% silver, 10% copper
Diameter
30.6 mm
Mass
12.44 g
Thickness
2.15 mm
Edge
Reeded
Mints
Carson City, Philadelphia, San Francisco
Metal
Silver
Mintage
1870-CC · Carson City
54,617
1870-P · Philadelphia
634,900
1870-S · San Francisco
1,004,000