Canada, Elizabeth II, Commemorative Double Dollar Proof Set, 1981, Denominations is $1 (Commemorative) - Regina Centennial: Features a bison skull and the Saskatchewan Legislative Building, $1 (Standard) - Voyageur: Standard design or commemorative Constitution dollar released that year, 50 Cents - Coat of Arms, 25 Cents - Caribou, 10 Cents - Fishing Schooner, 5 Cents - Beaver, 1 Cent - Maple Leaf (12-sided), Royal Canadian Mint, Originally Presented in a black leather-bound wallet-style case with a snap fastener Packaging with Certificates.