The 1981 silver dollar commemorates the 100th anniversary of the approval by the Canadian government to build the Trans-Canada Railway. This is the first year of issue by the Mint of two different qualities of silver dollars.

Specifications:
Face Value: $1
Mintage: 353,742
Composition: 50% Ag, 50% Cu
Weight (g): 23.30
Diameter(mm): 36.07
Edge: Reeded
Finish: Proof