Folded 'PRISONER OF WAR MAIL FREE' lettersheet sent by a German POW with manuscript 'Werner Roemfurt, Feldwebel - Luftwaffe, Base Post Office Ottawa, Canada' return address on flap franked with 1937 pair 5c blue and 20c red brown GVI issue (SG 361 & 365) tied by BASE P.O. CANADA cds dated SEP 12 1942 with straight line 'EXAMINED BY CENSOR D. B. 232' censor mark on front. Addressed to 'GREAT GERMANY' and censored again on arrival with Nazi censor strip on reverse.