Canada 1942 WWII RCAF KILLED IN ACTION Military Cover Vancouver

Cover franked with 10c Hall of Honour, 20c Fort Garry Gate, tied by Vancouver APR 30 1942 machine cancel, to Sgt Tooth with the RCAF, crossed-out and handstamped RETURNED MISSING overtop of typed label "we deeply regret that the above airman failed to return from an Operational Flight on 15.5.42" signed by the adjutant of 407 Squadron, sealed on back "it is deeply regretted that the addressee is reported missing on war service," tied by Ottawa DLO.