BANKNOTES, 紙鈔 , CHINA - FOREIGN BANKS, 中國 - 外國銀行 National Commercial & Savings Bank Ltd 香港國民商業儲蓄銀行 : Specimen $1, 1 December 1924, Hankow 漢口 , serial no.023779, red “ SPECIMEN ” overprint and punch-hole cancellation, printer: ABNC (P S447s). Uncirculated.