BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Bank of Communications : Specimen 1-Yuan (2), 1 November 1927, Shanghai , blue, and Tientsin , green, serial no.000000, punch-hole cancellation and red “SPECIMEN” overprint, printer: ABNC (P 145Ac, 145C). The Shanghai specimen uncirculated, the Tientsin about uncirculated with extra-wide top margin. (2pcs)