Peoples Republic of China. Four-piece Winter Olympic Silver 30 Yuan Piefort Set 1980, KM-P15 Speed Skating, PR67 Ultra Cameo NGC light golden toning: P16 Alpine Skiing, PR68 Cameo NGC; P17 Biathlon, PR68 Ultra Cameo NGC light golden toning; and P18 Figure Skating, PR66 Ultra Cameo NGC this piece has some reverse toning. As with the previous lot, Krause has listed the mintages as 2,000 pieces each, but this is wrong. The actual mintages are 500 pieces each. Included is the original case with no COA.