1972年美國總統訪華/聯合國銀質獎章。阿爾戈-賀利氏鑄幣廠。為纪念尼克松访华和联合国承认中国為常任理事国而铸打。CHINA. U.S. Presidential Visit/United Nations Silver Medal, 1972. Argor-Heraeus (Mendrisio) Mint. PCGS PROOF-65 Deep Cameo.Struck to commemorate Nixons visit to Beijing and the United Nations recognition of China as a permanent member of the body.