cover 1903 (13 May) envelope (faults including staining) to London (8.6 arrival) bearing C.I.P. 1c. tied by "LIU KUNG TAU/WEI HAI WEI" double ring d.s. in blue, via the Russian P.O. in Chefoo where a "Kitai" 10K. was applied and cancelled (14.5); Chinese P.O. in Chefoo c.d.s. (same date) together with arrival c.d.s. on reverse. Photo