1993年50 元。官方发行量仅1500枚。为纪念毛泽东诞辰而製。附原盒原证,证书编号#532。无氧化、磨损或雾。镜面底板,霜化图文,精美诱人。NGC PROOF-68 ULTRA CAMEO.CHINA. 50 Yuan, 1993. NGC PROOF-68 ULTRA CAMEO.KM-543. Authorized mintage of only 1,500 pieces. Struck to commemorate the Centenary of Chairman Maos birth. With case of issue and certificate of authenticity serial # 532. Free of tone, haze, or fog. Brilliant with hard mirror fields and frosted cameo devices.