Air Mail cover 1932 (Sep.) von Gronau covers with example from Shanghai to Manila, Manila to Surabaya (picture postcard of the aeroplane) and from Manila to Zurich "Via Surabaya", each bears the special cachet in purple. Muller 89. (3 covers) | Christie's

Lot 150

150

Air Mail cover 1932 (Sep.) von Gronau covers with example from Shanghai to Manila, Manila to Surabaya (picture postcard of the aeroplane) and from Manila to Zurich "Via Surabaya", each bears the special cachet in purple. Muller 89. (3 covers)

Details

Air Mail cover 1932 (Sep.) von Gronau covers with example from Shanghai to Manila, Manila to Surabaya (picture postcard of the aeroplane) and from Manila to Zurich "Via Surabaya", each bears the special cachet in purple. Muller 89. (3 covers)