1942 (21 Feb) cover (small faults) to Private J. Manser, 2/20th Battalion at Singapore, showing fine \'ARMY POSTAL SERVICE/DELIVERY IMPRACTICABLE/RETURN TO SENDER\' and D.L.O. Examiner handstamps on front, D.L.O. label and datestamp on reverse, censored at Sydney [Japanese attacked Singapore 8 March 1942 and Manser was captured and became P.O.W. in Thailand]