Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - France - Pioneer Flight - 1932 (May 16-22), Orient Flight from Paris to Tonkin (Hanoi), large size Banque De L'Indochine pre-printed cover, franked by 12 stamps, including three values of 3fr, type III, 10fr, type II and six of 20fr, type I, all with ''B I'' perfin, cover is postmarked on arrival, minor faults, still F/VF and scarce franking, Est. $300-$350, Scott #247B, 251A, 253