墨西哥纪念币外贸硬币one troy ounce maya prophecy calendar
united states - 5 troy ounce 2000 silver in a case
10 troy ounce silver coin maple leaf 2017
world - 1/10 troy ounce coins 1987/2015 (7 different) - gold
rare vintage 10 troy ounce silver bar by a-mark - 999/1000