COLLECTIBLE: INDIA, 1927, Mar. 31, Neville Vincent Survey Flight, Rangoon-Penang. India 2a tied by boxed violet "Rangoon-Penang, First Air Mail, April 1927" flight cachet and Rangoon Mar. 31 circular datestamp at left on cover to Musselburgh, Scotland, Penang arrival backstamp, cover with expert repair at center, Very Fine appearance, a rare destination, despite 350 covers carried, only about 16 have been recorded