WORLD’S FIRST ULTRA-HIGH RELIEF MAPLE LEAF COINS. For the very first time in history, Canada’s Maple Leaf design has been sculpted in Ultra-High Relief (UHR) that stands 3.0 mm above the coin’s surface, a height, more than ten times higher than standard silver coins. FAMOUS MAPLE LEAF DESIGN. These coins feature the iconic design of single, perfect sugar maple leaf designed by Walter Ott. The coin’s obverse is graced by the portrait of Queen Elizabeth II designed by Canadian portrait artist Susanna Blunt. UNIQUE REVERSE PROOF FINISH. This coin was struck with a unique reverse proof finish. The opposite of a regular proof that features frosted details rising over mirror-like fields, this coin features mirror-like details rising over frosted fields. STRUCK IN HIGHLY PURE SILVER. Each Ultra High Relief Silver Maple Leaf Relief Reverse Proof was by the Royal Canadian Mint struck in five full ounces of highly pure 99.99% silver. VERY LOW LIMITED EDITION.