1979年中华人民共和国成立30周年纪念金币400元一套4枚,包括天安门、人民大会堂、毛主席纪念堂及人民英雄纪念碑,分别评 NGC PF70, PF69 Ultra Cameo, PF70 Cameo 及 PF69, People s Bank of China, set of 4x 400 Yuan, 1979, Tiananmen Square , Great Hall of the People , Mao Zedong Memorial and People s Heroes Monument , minted for the 30th anniversary of the PRC,graded NGC PF70, PF69 Ultra Cameo, PF70 Cameo and PF69 Cameo respectively (4)