Obverse: Busts of President Nixon and Chairman Mao Zedong (Mao Tse Tung 毛泽东); 'President Nixon's Visit to Peking 21st February 1972'. Reverse: Chairman Mao with United Nations in background; legend is 'United Nations 10 - 1971' and inscription ' 中華人民共和國 加入聯合國 纪念 一 九 七 一 年 十 月'. 1972 Silver medal commemorating President Richard M. Nixon's Visit to the Peking (Beijing) People's Republic of China (PRC) in 1972 and the United Nation's recognition of PRC as a permanent member in October 1971. Struck by China to proof standard by Argor of Switzerland. 42 mm, 31 g of .999 fine silver. See the images for a proper impression, shipping by registered mail with a tracking number to worldwide. The authenticity of all coins is unconditionally guaranteed.