One-Twentieth Ounce (1/20 oz) Gold Maple Leaf Coins represent a great way to invest in gold bullion coins. This random year coin will be chosen among current stock of back-dated or current date coins. The reverse of the displays the 'Maple Leaf', a national symbol of Canada. The front or 'obverse' depicts Queen Elizabeth and the date of the coin. Coins contain one-twentieth troy ounce of pure gold.