Hong Kong & Shanghai Banking Corporation, colour trial $100, undated (c.1927), serial no. F 000000, green and multicoloured, maiden (Justitia) seated at left, arms top centre, value at each corner, rev. green and multicoloured, bank head office at centre, an angel above, value at right and at each corner (cf Ma H31 for type; Cribb 2.53 for type), red SPECIMEN overprint, official perforations, about uncirculated, extremely rare