1918 unstamped ’On Active Service’ censored cover to Alexandria, Egypt, cancelled ARMY POST OFFICE SZ 32, 11 FEB 18. This A.P.O. was at Bir Salem at that time. Addressed to Captain W.R. Gatt, of the Royal Malta Artillery, he was an Australian Army Officer who became the Repatriation Officer in Egypt for Australian Troops returning home after the War ended. The cover was sent by his brother.