1980年中国20元及30元银币一套4枚,NGC分别评PF68 Ultra Cameo, PF68 Cameo, PF69 Cameo及PF68 Cameo,附原装证书及包装。Peoples Republic of China,set of 4x silver proof coins consisting of 20 Yuan and 30 Yuan (3) coins, 1980, including Wrestling, Esquarian, Football and Speed Skating respectively, comes with original casing and certificate of authenticity,all NGC graded at PF68 Ultra Cameo, PF68 Cameo, PF69 Cameo and PF68 Cameo. With the original case and certificate of authenticity respectively (4)