1896 (19.9.), Registered cover with purple 'NEW ZEALAND OFFICIAL PAID' hs. (+ signature) used from Wellington to Dunedin with arrival cds. (22.9.) on reverse, minor blemishes nevertheless an unusual and attractive cover (Image)

1889 (28.1.), stampless 'On N.Z. Exhibition Business Only' used with squared circle pmk. and blue ms. printed 'Dr. Harris Hastings' hs. to Dowling with printed message of 'New Zealand Exhibition, 1889-90 / D. Harris Hastings, Secretary' on reverse (Image)

1938/1961 (ca.), Stamp Duty coat of arms 5s. green with black opt. 'Official' six stamps incl. different shades and perforations etc., mint hinged to mint very lightly hinged, attractrive sextet, SG. ca. £ 300 (Image)