1899. Envelope addressed to France bearing Chinese Imperial Post SG 109, 1c ochre, SG 110, 2c red (2) and SG 112, 5c salmon tied by Lungchow dollar chop in red/brown '19th Jan. 99' routed via Langson bearing French Indo-China SG 13, 25c black/rose tied by Langson/Tonkin double ring in blue '20 Jan' routed via Haiphong '22nd Jan.' with Paris receiver on reverse '26th Feb.' Very attractive Lungchow dollar chop cover mixed with French Indo China