China. (French Indo-China). 1930. Postal stationery envelope 5c violet addressed to Hai-Duong cancelled by Ninh-Giang / Tonkin date stamp in blue with adjacent 'Poste Rurale / Qui-Cao / Province de Hai-Duong' in blue with Hai-Duong receiver on reverse. Superb item of Post Rural mail Qui-Cao village. Ex Desrousseaux.