1979年第四届中国运动会精铸纪念银章3枚,包括「滑冰」、「体操」及「排球」,分别评NGC PF68 Ultra Cameo, PF69 Ultra Cameo及PF69 Ultra Cameo,附原盒但没有证书。 People s Republic of China, a set of 3x silver proof medal, 1979, commemorative issue for the Fourth Games of the PRC, including Ice Skating , Gymnastics and Volleyball ,all graded NGC PF68 Ultra Cameo, PF69 Ultra Cameo and PF69 Cameo, with original box, without certificate (3)