1980年第十三届冬季奥林匹克运动会1元黄铜币4枚,第一枚评NGC PF69,其馀评PF69 Cameo。Peoples Republic of China,lot of 4x brass 1 Yuan, 1980, issued for the 13th Winter Olympic Games, including Alpine Skiing, Speed Skating, Figure Skating and Biathlon,the former graded NGC PF69, the other three PF69 Cameo (4)