Canada 350 Dollars 1998 Proof 24k Gold 1.22 oz Pure 0.999 Gold Coin | 201170Product Details For its 90th anniversary which took place in 1998, the royal Canadian Mint introduced a new $350 coin. Coin Highlights: Contains 1. 2232 oz of . 99999 Fine Gold. Comes packaged in a beauty box. Mintage of 2,001 coins. Obverse: Right facing profile of Queen Elizabeth II, along with the year and face value. Reverse: The reverse shows a wild rose to represent the province of Alberta. Sovereign coin backed by the Canadian government.