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CANADA - PRIVATE COMMERCIAL AIRLINES COMMERCIAL AIRWAYS LTD 1930-1931 collection of first flight covers written up on pages, bearing Canadian frankings and all with 1930 10c black 'Air Fee' local semi-official air post stamps (Unitrade CL48) on reverse. Each cover bearing a different special first flight cachet incl 1930 Edmonton to Peace River, 1931 Peace River to Edmonton, Athabasca to Edmonton, Edmonton to Athabasca, Fort McMurray to Edmonton and Aklavik to Miami. Attractive. (6 covers)