9999 Fine Silver Three Ounces Troy. NGC PF 70 Reverse Proof. As displayed in the photos. The item "2018 Canada $50 Maple Leaf 3 oz Silver NGC PF70 First Day OGP Rev Proof BJ382" is in sale since Monday, July 13, 2020. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins".The seller is "kedziekoins" and is located in Chicago, Illinois. This item can be shipped worldwide.