BANKNOTES, 纸钞, CHINA - EMPIRE, GENERAL ISSUES, 中国 - 帝国中央发行,Commercial Bank of China 中国通商银行: Specimen $50, 15 January 1920, Shanghai 上海, serial no.000000, red “SPECIMEN” overprint and punch-hole cancellation, printer: ABNC (P 7s). In PMG holder graded Gem Uncirculated 65 EPQ.