1979年中华人民共和国成立三十週年纪念金币400元4枚,连证书及原盒,NGC 评1枚PF70 及3枚 PF70 Cameo。
Peoples Republic of China, gold proof set of 4x 400 yuan, 1979, Commemorative issue of the 30th Anniversary of the Founding of the Peoples Republic of China, with certificate and box, all NGC graded one PF70 and 3x PF70 Cameo.(4)