Stampless airmail cover with manuscript 'ON ACTIVE SERVICE' on front with fine strike of FIELD POST OFFICE 38 cds dated 28 AUG 1941 located in Palestine between July and December 1941. Addressed to 'Flight Lieutenant Frank Hooper RAF, Communications Flight, Rear 204 Group, Western Desert' with boxed 'PASSED BY UNIT CENSOR 414' mark on front. An unusual destination.