1979年中华人民共和国成立三十年400元纪念金币一套4枚，包括天安门, 人民英雄纪念碑, 人民大会堂，毛主席纪念堂，连原盒及证书，2枚评NGC PF69 Cameo ，其馀PF70 Cameo。Peoples Republic of China, a set of 4 gold proof 400 yuan, 1979, commemorative of the 30th Anniversary of Peoples Republic of China, consisting of Tiananmen Square, Great Hall of the People, Peoples Heroes Monument and Mao Zedong Memorial Hall, each coins measures 27mm in diameter, 22 carat gold, contains 1/2 oz pure gold, with original box and certificate, all coins graded by NGC with 2x PF69 Cameo and 2x PF70 Cameo.(4)
