1967 Canadian Prooflike Silver Set. The Canadian Proof Like Mint Set is minted by the Royal Canadian Mint. It comes in it original packaging and COA. 6 coins that are uncirculated Canadian coins in which 4 are made with 80% silver 20% copper alloy. This product contains approximately 1.11 troy ounces of fine silver: 1 Canadian Silver Dollar – 80% Silver – Weight: 23.33 g. 1 Canadian Silver 50 Cent Piece – 80% Silver – Weight: 11.66 g. 1 Canadian Silver 25 Cent Piece – 80% Silver – Weight: 5.83 g. 1 Canadian Silver 10 Cent Piece – 80% Silver – Weight: 2.31 g. 1 Canadian Nickel 5 Cent Piece – Weight: 4.59 g. 1 Canadian Bronze Penny – Weight: 3.24 g