Watch List notes:

CHINA - MEDALS, 中國 - 紀念章, People's Republic of China 中華人民共和國: Ma Dingxiang Commemorative Copper Medal 馬定祥紀念銅章, Obv facing bust, "中國著名錢幣學家馬定祥 1916.11-1991.3", Rev "方圓乾坤" and "馬定祥題" above scenery of the West Lake, "157" incuse on edge, 60mm, 120g, struck by the Shanghai mint, mintage 250, with certificate of authenticity no.157 and in original box of issue. Mint state.

Estimate: US$150-200