1943 (18 August) censored ‘helmet’ envelope from Goro Ito, Akebono 9737 Unit, Sakai Section, Borneo Expeditionary 37th Army, North Borneo, to Yamagata-ken, Japan that has been sent contrary to regulations although approved by the censor with ‘Dispatch of this Letter permitted’ written in red handwriting. The original contents, five pages of which four have a picture illustration at the top, accompany the envelope. Mail enclosed in an envelope with permission to send is exceptionally rare. A very fine and extremely rare North Borneo cover and contents. Ex Ken Clark.