1933 Canadian Airways Limited Roessler Production, a mint never hinged complete pane of four. According to Longworth-Dames, these bogus labels were designed copying the company's official envelope, using the same design of airplane and reversing the trees, etc. There is a light pen mark affecting both left stamps, still quite fresh and desirable. (Image)

Est $ 350

1924 (25c) red Laurentide Air Service Semi-Official Air Mail, Rouletted Horizontally, mint never hinged pane of two with margin at top, with red and light red stamps. Very fine. (Image)

Unitrade $ 825

1926 (25c) red Jack V. Elliot Air Service Semi-Official Air Mail, Perforated 11½, mint never hinged pane of 8, with gutter in middle and tête bêche stamps. Very fine. (Image)

Unitrade $ 7,000

1926 (25c) Elliot Fairchild Air Service Semi-Official Airmail, a mint never hinged full pane of eight, including two "tall R" varieties in position 2 and 4. Fresh and very fine. (Image)

Unitrade $ 675

1929 Commercial Airways Ltd. "Via Air" Proofs, on thick white card. Includes the black and violet colours, each in a top of the sheet pair, so each pair includes CL47Pi and CL47iv which has the "broken C in Commercial" variety. Both cards are hinged at the top and both have "Kessler" owners handstamps on the back. Very minor bends mentioned for the record, still very fine. (Image)

Unitrade $ 1,800

1929 Commercial Airways Ltd. "Via Air" Proof Singles, on thick white card. Includes the black, the orange and violet colours, each with sheet margin at side. Very fine and hinged. (Image)

Unitrade $ 900

1930 Group of 10 Commercial Airways Ltd. "Air Fee" Stamps, includes two CL50 10c orange (one is mint hinged the other without gum), eight CL48 (4 are used one of which is a CL48a the break in oval variety). Also a mint never hinged block of four with minor gum bends and a crease in the selvedge at left. Used stamps were catalogued as mint hinged. (Image)

Unitrade $ 180

1930 10c orange Commercial Airways Ltd., mint never hinged full pane of 10, with a few minor gum bends or crazing, very fine. A scarce pane. (Image)

Unitrade $ 250

1930 10c orange Commercial Airways Imperforate, a mint never hinged vertical sheet margin pair. Identified by owner as positions 4 and 6. Top stamp has a small orange line to the bottom of B.C. on the map and bottom stamp has a small white dot over the second "C" of Commercial. These are unlisted varieties in Unitrade. Light horizontal crease across lower stamp (not noticeable from the front) and a few minor gum bends, still very fine. (Image)

Unitrade $ 375