China / Indo-China 1938 Air Mail envelope to Saigon Cochinchine

Airmail cover bearing Yvert 156, 2c Green, Yvert 184, 4c Violet and Air Mail Yvert 3, 5c Yellow Green tied by Hanoi Tonkin datestamp with Boxed "Premiere Liaison Postale Aerienne Hanoi-Saigon en 5 Heures Par Air France 30 Juillet 1938" cachet in Blue with Saigon arrival. (pt)

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