1993年50元。毛泽东诞辰纪念。发行量仅2500枚。镜面底板,霜化图文,精美诱人。无斑点、氧化、雾化。含证书原盒。NGC PROOF-69 ULTRA CAMEO.CHINA. 50 Yuan, 1993. NGC PROOF-69 ULTRA CAMEO.Fr-80; KM-542. Commemorative for the Centenary of Chairman Maos birth. From a mintage of just 2,500 pieces. Hard mirror fields with frosted cameo devices. No spots, tone, or fog. Includes box of issue and COA.