1981至1992年十二生肖银币大全套,第一组,均NGC PF64-PF68;Peoples Republic of China, complete set of 12 silver lunar horoscope coins, 1st series, starting in 1981 with the Year of Cockerel and ending in 1992 with the Year of the Monkey, with original certificates,NGC PF64 to NGC PF68 (12)