ChinaChina (Indo-China) 1940 Official Mail Envelope to
France bearing Yvert 159, 5 cents violet, Yvert 166, 30 cent brown-orange (3) and Yvert 168, 60 cent purple tied by Hanoi date stamp sent Air Mail with Gouvernment General de L'Indo-Chine cachet in red via Hong Kong with Passed Censor 9/ Hong Kong cachet in violet. (pt)
