Hong Kong & Shanghai Banking Corporation, Specimen $50, 1 January 1923, lilac and green, crowned arms centre left, classical male head (the Belvedere Apollo) at centre in oval frame, bank arms left centre, Great Wall of China at right, value at each corner, printed signature of A Stephen, Chief Manager, low right, rev. green, bank head office at centre (Ma H23; Cribb 2.46), red SPECIMEN overprint, official perforations, uncirculated, attractive, very rare