China. (France - French Indo-China). 1869. Envelope addressed to 'Monsieur Corobaud onbord the gunboat "Caroline" a Saigon, Cochinchine' bearing French 'Napoleon' Yvert 29b, 20c blue tied by gross chiffres '2848' with adjacent Pierrefeu/ Var date stamp '15th Jan 69', with framed 'PD' on face in red. Scarce item of destination mail into Saigon 1869.