1980年精製套币四枚一组奥运系列。1980年普莱西德湖冬奥会纪念。均获NGC评级,高山滑雪(PF67 CAMEO),冬季两项(PF67 ULTRA CAMEO),速度滑冰(PF67 CAMEO),花样滑冰(PF69 CAMEO)。镜面底板,霜化图文,部分有氧化。
CHINA. Olympics Proof Set (4 Pieces), 1980. All NGC Certified.。KM-PS5. Struck for the Lake Placid 1980 Olympics. All are NGC certified. Alpine Skiing (PF67 CAMEO), Biathlon (PF67 ULTRA CAMEO), Speed Skating (PF67 CAMEO), and Figure Skating (PF69 CAMEO). Hard mirror fields with frosted cameo devices. Some with toning.。