Hong Kong. ( Treaty Ports). 1858. Stamp-less envelope written from Shanghai dated '4th July addressed to France routed via Hong Kong 'July 20' double ring, endorsed 'via Marseille' with 'Pays Etr. V. Suez Amb. B' French entry cachet in red and Vals arrival 'Sept 21' on reverse and rate with hand-struck '8' on face.