Description
The 300th anniversary of the first voyage by a commercial ship (the Griffon) on the Great Lakes was commemorated on the reverse of the 1979 silver dollar
Specifications:
Face Value: $1
Mintage: 688,671
Composition: 50% Ag, 50% Cu
Weight (g): 23.30
Diameter(mm): 36.07
Edge: Reeded
Finish: Specimen
