Coins weigh 3.24 grams, a diameter of 19.05 mm and a thickness of 1.65 mm. They have a composition of .955 copper, .030 tin, .015 zinc.
Due to the Canadian economy, the large cent was replaced with a small cent to conserve copper. Similar in size and composition to that of the United States.
BC-33a: 1954 Devil's Face $20 Coyne-Towers, PMG GU65-EPQ #B/E1750829