Canadian Maple Leaf gold coins are known and respected throughout the world because of the impeccable standards of quality mandated by the Royal Canadian Mint. The Royal Canadian Mint's insistence upon flawless planchets, the pure gold blanks from which gold coins are struck, has led to an enviable reputation among demanding investors and collectors. Its impeccable quality, pleasing design, and fine gold purity (at ninety-nine point nine-nine percent pure gold, or "four-nines" fine) has made the Canadian Maple leaf one of the preferred gold coins of investors around the world. In fact, the one troy ounce gold Canadian Maple Leaf has been in continuous production longer than any other pure gold bullion coin.