£260
1931 (Apr 1-24) Covers from G.B carried on the two London to Australia experimental flights, comprising first flight covers to Cairo, Bombay, Rangoon (2), Singapore, Kuala Lumpur or Batavia, and second flight covers to Calcutta, Penang, Singapore, Kuala Lumpur, Soerabaya or Labuan. Also two April 1st covers intended for the first flight to Australia but only franked 4½d, handstamped "Insufficiently paid for / transmission by air mail" with "Direct" added in manuscript. (15).
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