Canadian Proof Set – Royal Canadian Mint, 1981 A complete Canadian proof coin set issued in 1981, produced by the Royal Canadian Mint. The set contains all denominations of the year, struck in proof quality, featuring a portrait of Elizabeth II on the obverse and a variety of Canadian reverse designs. Contents: - Canada Proof 1 Dollar, 1981 Composition: Silver (50% Ag, 50% Cu) Weight: 23.33 g Diameter: 36.07 mm Reverse: Locomotive - Canada Proof 1 Dollar, 1981 Composition: Nickel Weight: 15.62 g Diameter: 32.13 mm Reverse: Indian and Voyageur - Canada Proof 50 Cents, 1981 Composition: Nickel Weight: 8.10 g Diameter: 27.13 mm Reverse: Coat of Arms of Canada - Canada Proof 25 Cents, 1981 Composition: Nickel Weight: 5.05 g Diameter: 23.88 mm Reverse: Caribou - Canada Proof 10 Cents, 1981 Composition: Nickel Weight: 2.07 g Diameter: 18.03 mm Reverse: Fishing Schooner - Canada Proof 5 Cents, 1981 Composition: Nickel Weight: 4.54 g Diameter: 21.21 mm Reverse: Beaver - Canada Proof 1 Cent, 1981 Composition: Bronze Weight: 2.80 g Diameter: 19.00 mm Reverse: Maple Leaf