French Indochina, 1880 (Dec. 4) Tonquin, Hai-Phong to Hong Kong, China, legal size cover bearing mixed issue franking of French Colonies 1871, 30c. brown and 1877, 40c. vermilion, both four margins, tied by "Tonquin, Hai-Phong, 4 Dec. 80" origin cds, flap with blue "Consulat de France, Hai-Phong" circular handstamp, Hong Kong (12.12) backstamp; file fold at left, Very Fine. Estimate  $200 - 300. $0 (Image)