Obverse: Features the effigy of King Charles III. Reverse: Features a maple leaf, the 1 troy ounce weight of the coin, and purity of. 9999 fine Gold. Also includes a maple leaf privy mark. The coin’s illustrious legacy began in 1979 when the Royal Canadian Mint introduced the 1 oz Gold Maple Leaf, marking a revolutionary milestone as the world’s first 24k gold coin and establishing new standards of purity in the coin industry.The 2024 coin is the first in the series to feature the effigy of King Charles III on the obverse.