Air Mail cover 1926 (4 Nov.) envelope (272x120mm., address erased and with vertical creases) bearing 1a. and 2a. tied by Calcutta c.d.s., in combination with France "Sower" 50c. (3, one defective) tied by Bourget Aviation c.d.s. for 11 November

Details
Air Mail cover 1926 (4 Nov.) envelope (272x120mm., address erased and with vertical creases) bearing 1a. and 2a. tied by Calcutta c.d.s., in combination with France "Sower" 50c. (3, one defective) tied by Bourget Aviation c.d.s. for 11 November