1930, Commercial Airways Ltd, (10c) orange, complete pane of ten, stamp on position 1 with broken oval variety, minor marginal separation, full OG, NH, VF, Unitrade C.v. CAD$287.50 (Image)

1932, double black surcharge 6c on 5c brown olive, block of four, full OG, previously hinged, fine and rare multiple, Greene certificate, C.v. $2,600++, Unitrade C.v. CAD$3,400 as singles (Image)

1935, Daedalus in Flight, 6c red brown, left margin horizontal imperforate pair, full OG, NH, VF and scarce, 125 pairs possible, C.v. $900, Unitrade C.v. CAD$1,200 (Image)

1938, Airplane over Mackenzie River, 6c blue, horizontal imperforate pair, full OG, NH, VF, C.v. $850, Unitrade C.v. CAD$1,200 (Image)

1943, Air Training Plan, 7c deep blue, vertical imperforate pair, enlarged margins, full OG, NH, VF and scarce, only 50 pairs known, C.v. $850, Unitrade CAD$1,200 (Image)

1928-46, 19 items, including one vertical pair (#C2) and 18 blocks of four or six (#C5), most with plate numbers, nice centering, full OG, NH, VF, Unitrade C.v. CAD$1,400++ (Image)

1931, Airmail Pictorial issue, imperforate plate proofs of 15c, 50c and $1 in black, complete set of three on watermarked paper ($1 - Arms, others probably paper maker's watermarks), nice margins around, no gum as produced, NH, VF and scarce, $400-$500 (Image)

1932 (May 19), First Day Pioneer Flight cover to London, franked by ''Trans-Atlantic West to East'' red surcharge $1.50 on $1 blue, tied by St. John's slogan departure cancel, typewritten ''Per DO-X'' at top left, VF, C.v. $400 (Image)