CANADA (1952-PRESENT DAY) QUEEN ELIZABETH II 1981 GOLD PROOF ONE HUNDRED DOLLAR. OBVERSE: Arnold Machin's effigy of the Queen facing right. Legend 100 DOLLARS CANADA 1981 ELIZABETH II. REVERSE: Depicts the design of artist Roger Savage of Nova Scolia. It features the map of Canada and superimposed, the music notes of the nation anthem. The words 'O Canada' appear below the design. Specifications: Diameter of 27mm, weight 16.965g of which 15.551g (half troy ounce) is Fine Gold. The coin comes encapsulated with certificate and presented in the official Canada Mint box.