1989年1500元20盎司，中华人民共和国成立40週年20盎司精製纪念金币开国大典。 NGC评鉴最高分，无更高分。极罕，发行量仅100枚，此枚编号#057。在大型现代币中，可谓铸打出众。毛泽东及其他人物细部均栩栩如生，霜化图文无断层或崩裂。镜面版底光泽深沉，全无接触痕迹。
CHINA. 1500 Yuan, 1989. NGC PROOF-69 Ultra Cameo. 90 mm diameter. Fr-25; KM-259. Struck for the 40th Anniversary of the People s Republic of China. Tied for finest certified with four other examples on the NGC population report, none finer. A VERY RARE piece from a mintage of only 100 pieces struck, this being stamped with serial number #057. Incredibly well struck for being such a large format. Mao Zedong and all of the figures present are well rendered and detailed with all of the frosted devices having no breaks or flecks. The deep pool mirrored fields are undisturbed and free of any signs of contact.
