Lot 360 Canada #CLP3P 1919 Aero Club of Canada Proof of Frame Design in Black, printed on card measuring 45 x 67 mm, and extremely rare, with only two known examples, as stated by collector Bob Jamieson about 40 years ago. Fresh, very fine and desirable. Unitrade CV$2,500.
Lot 509, Newfoundland thirteen cent Ship, group of four different trade sample proofs

Lot 509 Newfoundland #30TSP 13c Ship Group of Four Different Trade Sample Proofs, all on proof paper of various thicknesses, includes bright green, carmine lake, grey black and black. The latter has a horizontal yellow brush stroke across. The carmine lake one has a small thin, otherwise very fine. Estimate C$400.
Lot 119, Canada 1890s six cent red brown Small Queen used pair with major re-entry

Lot 119 Canada #43c 1890s 6c Red Brown Small Queen with 5c on 6c Major Re-Entry, on the right stamp of a used pair with a Toronto (1897?) squared circle cancel. This example of the major misplaced re-entry from position B25 is quite strong and easily seen, fine. An important multiple, as only a handful of multiples of this major variety are recorded. Unitrade CV$3,000.
Lot 824, Canada 1918 Aero Club semi-official on registered cover, Ottawa to Toronto
Lot 824 Canada #CLP1 1918 Aero Club of Canada Semi-Official on Registered Cover Ottawa to Toronto, blue cover is franked with a 2c + 1c Admiral War Tax (Die II) and 5c Admiral (both tied by Toronto roller), plus CLP1 (ideally on front) tied by large “by Aeroplane” flight cachet in blue and Toronto AUG.26.1918 c.d.s. The front of the cover also shows the Toronto “AERIAL MAIL” boxed cachet in violet, Ottawa same day receiver on back. A rare cover, with only 26 items carried, lovely and very fine. Unitrade CV$5,000.
Lot 375, Canada 1926 five cent mint Patricia Airways with overprint variety
Lot 375 Canada #CL21bii 1926 (5c) Patricia Airways and Exploration Co. Ltd. with Descending Type D Overprint in Violet, a mint hinged single with “small v in vIA” variety from position 2 of the pane, fine. An extremely rare stamp which is missing from most important collections, with only two known (one in each of the two sheet printed). Accompanied by a 2019 Greene Foundation certificate. Unitrade CV$4,500.