China. (Isle Of Man). 1917. Prisoner of War folded letter envelope headed 'Prisoners of War' and 'Nicht Hier Schreiben' endorsed 'Curt Wollheim 21689, Camp 4, Compound 2, Hut Aliens Detention Camp, Knockaloe, I.O.M.' date 'Monday 1917' addressed to 'Frau Bertha Wollheim, Changsha, Province Hunan, China' with 'Opened by Censor/PW. 72' label on reverse, routed via Siberia and Manchuria with 'Bureau Ambulant No 1/ Moukden-Peking' (20th Juin 17) on reverse with Hankow transit '26th Juin' and Imperial Post Changsha arrival '28 June'. Wonderful item of Prisoner of War Mail from Knockaloe Camp written by a Jewish Internee to his wife in Changsha, China routed via Manchuria with Manchuria Travelling Post Offices. Superb.