2013 The Silver Maple Leaf Coin, 25th Anniversary – Pure Silver Fractional Set. In 1988, the Royal Canadian Mint introduced the pure silver Maple Leaf bullion coin, which was immediately embraced by investors and collectors. 25 years later, the Royal Canadian Mint is celebrating this success with a new 5 piece set of pure silver fractional silver maple leaf coins. Since all of the coins are struck in pure silver, this item is GST/HST exempt. Mintage is limited to just 9,999 the same number as the. 9999 fineness of the silver maple leaf coins. Our items are available for pick-up. You might also like. 2025 50 Cent Special Wrap Circulation Roll. 2025 Tomb of the Unknown Soldier – Pure Silver Proof Set.