2013年两枚精製套币。生肖系列。蛇年。50元以金铸打(彩金),10元以银铸打。皆获NGC极佳评级。无起雾或氧化。Fr-unlisted; KM-unlisted. 50 Yuan struck in gold (colorized) and 10 Yuan struck in silver. Both are certified by NGC and garnered a perfect grade. Both are free of tone, haze or fog.NGC PROOF-70 ULTRA CAMEO.