China. (Russo-Japanese War). 1901. Japanese postal stationery letter envelope 3s violet from the German Detachment in Peking cancelled by vernacular date stamp with 'K.O. Feld. Poststation/No 2' date stamp '1/5' with circular military 'Ostas.Exped-Korps/Leichte Mun-Kolonne' on face, addressed to Germany with Wesel receiver '14th June 01' on reverse. Very fine. Ex Desrousseaux.