1OZ Pure Silver Proof Canada Coin. Original condition encapsulated with certificate authenticity & case/box. The item "2018 Grey Wolves Geometric Fauna $20 1OZ Pure Silver Proof Canada Coin Geometry" is in sale since Wednesday, March 7, 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.