China. (Indo-Chinese Post Office In Chungking). 1907. Registered envelope addressed to France bearing Chungking SG 2, 2c brown, SG 6, 15c grey, SG 23, 20c red/green and SG 28, 50c brown tied by Tch Ong-K'ing-Chine double ring '20th Juin 07' with boxed hand-struck 'R', routed via Han-Keou-Chine/Poste Francaise '30th Juin 07' and receiver in Paris on reverse. Very fine item. Ex Desrousseaux.