British East Africa. 1940. Stamp-less envelope written from German Internee, 'Internment Camp A3, Dar-es-Salam' addressed to Germany cancelled by 'Postal/Internment Camp/Commandant/Frank' and boxed 'Passed No 19/by Censor' in violet on face with 'Opened by Censor/ 2668' label with German censor and cachet on reverse. Nice item.