(French Indochina) Indo-China to France, HANOI to DORDOGNE, carried on the weekly Air Orient flight, posted 9/6, left Saigon bs 10/6 and arrived Marseilles bs 19/6. By Indochina Railway to Saigon, landplane to Damascus, bus/car to Beirut, and  flying boat to Marseille. Plain cover, blue grey/black etiquette, ms 'Par Avion', black framed 'Saigon - Marseille' with dotted line below directional hs applied by the Le Bureau de Hanoi to all Tonkin letters transiting through Saigon, used from early 1931 to early 1934. Franked F1.26 for DOUBLE RATE 2x 60c/10g air fee + 5c/0-20g ordinary. Great routing.
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