1980年精制套币四枚两组,共八枚。奥林匹克系列。第1 组:莫斯科奥林匹克1元(4 枚),评级NGC PROOF-66 至PROOF-69。<p>第2 组:普莱西德湖奥林匹克1元(4 枚),评级NGC PROOF-67 Cameo 至PROOF-69 Cameo。CHINA. Octet of Olympic Yuan (2 Sets, 8 Pieces), 1980. All NGC CertifiedSet 1: Quartet of Moscow Olympics Yuan (4 Pieces), grading NGC PROOF-66 to PROOF-69.<p>Set 2: Quartet of Lake Placid Olympics Yuan (4 Pieces), grading NGC PROOF-67 Cameo to PROOF-69 Cameo.<p>