1899 (May 3) French Consulate printed envelope sent registered to France with China 1898 20c tied by blue barred cancel with Tientsin cds adjacent, in combination with Hong Kong 1882-96 10c purple on red vert. pair tied by B.P.O. Shanghai cds and blued "I.P.O" hs, with Hong Kong, Chinese Shanghai, Lyon and Murat backstamps, fine and scarce mixed franking. (Image)

1915 (Aug 7) commercial envelope to Switzerland with Hong Kong 1912-22 2c and three 10c paying the rate for a registered letter over 1oz, tied by Canton cds with registration boxed hs adjacent, violet bevelled framed "P.B.C." (pass by censor) hs, endorsed via Siberia, reverse with Hong Kong reg'd transit and Basel arrival, central wax seal stain, fine. (Image)

1918 (Feb 20) Chinese Railway printed linen envelope sent registered to the Netherlands with "CHINA" 1c, 2c, 8c vert. pair and 25c tied by Tientsin cds, red boxed registration cachet below, censor seal tape at left, reverse with B.P.O Shanghai registered oval, San Francisco, New York, London transit and Scheveningen arrival, minor peripheral cover wear, fine and scarce (Image)