1920 Karachi-Bombay First Flight: British postal stationery envelope 1d. Jubilee used for registered airmail from Karachi to Bombay, franked by India KGV. 2a6p and 6a on front, ½a. gutter marginal block of four and two pairs of ½a. and 1a. both surcharged "SPECIMEN" in violet, all tied by special "KARACHI AIR POST/22 FEB 20" Aircraft cds, and with similar Bombay '24 FEB 20' arrival cds. The envelope has been opened three side for presentation, and lighty soiled, but still a most uncommon and attractive cover. (Tax Method: Regular Taxation) (Image)

1931. Air Mail envelope addressed 'c/o Postmaster, Victoria Point, Burma' bearing lndia SG 222, 4a bistre tied by Park Street/Calcutta double ring with cachet 'via Imperial Airways, 1st Experimental Flight/England to Australia’, signed by 'Stephen Smith' with Victoria Point arrival '22nd Apr 31' on reverse. Only 30 covers addressed to Tavoy or Victoria Point and forwarded by steamer from Rangoon. Scarce. (Tax Method: Margin System) (Image)

1931. Air Mail envelope addressed to London bearing lndia SG 221, 3a blue and SG 225, 12a rose red tied by Rangoon GPO/Sorting double ring with framed 'First Airmal/Burma-England' in violet on face and endorsed 'Per Airoplane "Southern Cross" with Kensington arrival '14th May'. The Aeroplane "Southern Cross" Fokker F-U116 piloted by Charles Kingsford Smith left Darwin on 21h April routed via Java, Singapore, Burma. Karachi and London 14 May. (Tax Method: Margin System) (Image)