China. (French Occupation of China). 1888. Stamp-less envelope endorsed 'Troupes d' Indo-China' addressed to France cancelled by 'Lang-Son/ Tonkin double ring with circular 'Republique Francaise/ Tonkin/ Commandant D' Armees/ Lang-Son' in red on face with undated 'Corps Expre Annam Tonkin' and St. Cloud arrival. Attractive item.