1937 EMPIRE AIR MAIL SCHEME: First flight of the "All Up" mail Durban to England. Cover franked Gold Mine 1½d tied by Durban machine canceller JUL 1 1937, last day of mail acceptance for the flight departing 4th July. The cover is annotated "Inauguration Flight from South Africa to England on 1½d Imperial Airmail Service." Straightline violet cachet Per R.M.A. Corsair. VF, nice clean cover. The Flying Boat Corsair was commanded by Captain HWC Alger for this flight.
