1970年代紀念章。兩枚。1) 1972 年美国总统访问/联合国银质奖章。阿尔戈-贺利氏铸币厂。直径41毫米。尼克逊访华及成为联合国常任理事国纪念。2) 毛主席/中华人民共和国见过纪念银章,"1949"。(t) CHINA. Duo of Silver Medals (2 Pieces), ND (ca. 1970s). Average Grade: CHOICE PROOF.1) U.S. Presidential Visit/United Nations Silver Medal, 1972. Argor-Heraeus (Mendrisio) Mint. Diameter: 41 mm. Struck to commemorate Nixons visit to Beijing and the United Nations recognition of China as a permanent member of the body.2) Chairman Mao Tse-tung/Anniversary of the Peoples Republic of China Silver Medal, "1949" (ca. 1970s)-CHI.