1937 A.E Clouston and Betty Kirby-Green Cape Town - London Return Flight. Picture postcard of a plane in flight, written from Khartoum on November 19th, "just a card brought by F/O Clouston, it should reach you by tomorrow", addressed to London with a Sudan 15m air mail stamp cancelled in manuscript, posted upon arrival in London (Nov 22) franked KEVIII 1d. Clouston and Kirby-Green flew from London to Cape Town in a record time of 45 hours, 2 minutes; this card was carried on their return flight from Sudan to Croydon. No official mail was carried on this flight, and this card is probably unique. Photo on Page 22. (Image1)

Sudan - Mrs Bonney. 1937 (Apr 8) Cover with Australia stamps cancelled at Brisbane, carried by Mrs Bonney on her Australia to Cape Town solo flight as far as Malakal where her plane crashed upon landing, posted back from Malakal (June 13) to Brisbane with Sudan Air Mail 15m, 2p, 2½p and 5p. Reverse endorsed and signed "Tail skid unit damaged, Mrs H.B Bonney", with flight cachet in violet and Brisbane arrival c.d.s. Photo on Page 22. (Image1)