China. (Russian Post Office in Manchuria). 1917. Registered envelope addressed to Switzerland bearing 1916 Russia 'Provisional' 10k on 7k blue (2) tied by 'Kharbin Central Station/a' oval date stamp '22nd May 17' with 'R/ Harbine Gare' registration label with censor label tied by framed 'No 59/ H.B.O.' censor cachet in violet with Zurich arrival and forwarded to Grachen. Superb item of registered censored mail to Switzerland from the Russian Post Office in Harbin, Manchuria.