1993年中国古代发明系列第二组「太极图」精铸银币10元,重1盎司含.999银,NGC MS69PL,连证书,编号005681,发行30000枚。 Peoples Republic of China, silver proof 10 Yuan, 1993, weighs 1oz containing .999 silver, Chinese Inventions and Discoveries, series II, Tai Ji Map,NGC MS69PL, with original packaging and certificate of authenticity, certificate number 005681, mintage of 30000 pieces