Celebrating Canada's Silver Maple Leaf 30th Anniversary SML. 1OZ Pure Silver Reverse Proof Coin.2019 40th Anniversary of Gold Maple Leaf. Original MINT CONDITION encapsulated with Certificate Authenticity & case/box, etc. The item "2018 Silver Maple Leaf 30th $20 1OZ Coin SML & 2019 40th Gold Maple Leaf GML $20" is in sale since Thursday, March 1, 2018. This item is in the category "Coins & Paper Money\Coins\ Canada\Commemorative". The seller is "mario95coin" and is located in Ontario. This item can be shipped worldwide.