Canada 1944 WWII RCAF Attached to RAF Nassau Bahamas Military Airmail Cover

Cover franked with 1/- KGVI, tied by Nassau slogan cancel (Jan 6), to Outremont, Quebec, return address of Flight Sergeant Liddell R.G., endorsed "RCAF"and "RAF", a scarce cover from an airman attached to the RAF Transport Command in the Bahamas; the BNAPS Military Mail Study Group Journal records only a handful of covers of such an origin.