KGV, 1928, Air Mail Post Card, 1/2a,  "By Dutch aero plane to Rangoon,",  signed by pilot John Pratt & Ross Hadley on front, Cancelled at Park Street Calcutta on 4 Oct 1928 with Rangoon dely on back 16 Oct 1928, Violet Large violet cachet “3^rd PLANE CRASHED AT CAWNPORE. CARRIED BY:- 4^TH OFFICIAL MAIL PLANE. H ---N A.D.F.”, Signed by Stephen Smith on back,  Excellent Condition.