US ARMY POSTAL SERVICE / A.P.O. (935), 1942 (Dec 2), 4-bar on FRENCH RCAF FREE POSTAGE FRANKED cover to Eastview, Ontario, Canada from a RCAF airman stationed at Annette Island Landing Field, Alaska. US Army racetrack handstamp censor singned by an RCAF pilot officer (P/O). "French" probably refers to the language in which the letter was wriien. Red ORDERLY ROOM handstamp on reverse. An unusual use of free franking privilege from a US facility by an member of another nation's army service.