Bank of New Zealand, Specimen 20, Wellington, 1 October 1919, without serial no., green and multicoloured, the Maori King Tawhiao at centre, value top left and low left and right, rev. green and multicoloured, arms at centre (cf.PS.238), '24 April 24' in pencil in top margin, two official perforations, slightly scuffed otherwise extremely fine, extremely rare