Details
Air Mail cover 1931 (Mar.) Gisborne Air Transport Ltd. flights (4) comprising 10 March printed types for Gisborne-Hastings and Hastings-Gisborne, 13 March Hastings-Gisborne with black handstamp and 16 March Gisborne-Hastings with violet handstamp, the last two previously used with Health stamps, all four signed by pilot