Printed 'PRISONER OF WAR MAIL FREE' postcard sent by a German POW with 'Heinz Roder, No. 59917, Ob-Masch Marine, Internment Camp 133 Abtlg. 4 Base Post Office Ottawa, Canada' return address at left with light 'P.O.W.' cds and straight line 'EXAMINED BY D. B. / 644' censor mark on front. Addressed to 'GREAT GERMANY' and censored again on arrival.