1931 Registered Air Mail Cover Franked with Rare Plate 1 Block of Six, mailed registered (in period) from Spadina Ave. in Toronto on APR.28.1931 to Milwaukee, Wisconsin (APR.30 receiver), through Chicago (APR.29 transits). The cover is franked with the only recorded plate block of six of #C2 (with inverted "1" in wide margin at left) on commercial cover. Mint plate blocks are rare, with only about 3 recorded (see in the stamp section elsewhere in this sale). Very fine. (Image)

Est $ 1,000

Oct. 24, 1924 Haileybury to Rouyn First Flight Cover with CL2, 3c Admiral #10 cover mailed Haileybury on OCT.24.1924 to Rouyn (same day receivers on back), franked with a very fine (25c) green Laurentide Air Service Ltd. issue. The cover has creases and other faults (not affecting the semi official stamp). (Image)

Unitrade $ 450

Oct. 24, 1924 Haileybury to Rouyn First Flight Commercial Cover with CL2, 3c Admiral corner card cover (George Taylor Hardware Ltd) mailed Haileybury on OCT.24.1924 to The McIntyre Porcupine Mines Ltd. in Rouyn (same day receiver on back), endorsed for the flight by pen and franked with a (25c) green Laurentide Air Service Ltd. issue. The cover is reduced at left and has wrinkling, still an overall fine and rare commercial usage. (Image)

Est $ 500

Collection of Semi-Official Flight Covers, with CL3 on prepared cover with Trans-Canada Flight cachet (postage stamp removed cat. $125); two covers with CL5 (one with 3c Admiral, other with imperf strip of three of 1c Admiral, $175 each); CL5 on front of cover ($175); CL6 on two covers with oval Kenora / Red Lake receiver ($85 each); CL7 on cover ($250); CL9c on cover (filled-in wing variety $225); CL9 on cover forwarded to Sioux Lookout ($225); CL10 on cover with pilot signature ($225); CL10b on cover (White Dot variety $275); CL11 on two covers, Rouyn to Haileybury and back ($90 each); CL13 on two covers with different US and Canadian frankings ($100 each); CL13 on cover ($100); CL13c on cover with signed enclosure ($400); CL18 on two covers Woman Lake to Sioux Lookout and back ($300 each); CL18 on two covers Sioux Lookout to Birch Lake with different frankings, cachets ($300 each); Also includes a Western Canada Airways MAY.30-31.1929 cachet facsimile. Very nice quality collection, with all 21 covers scanned online. (Image)

Unitrade $ 3,940

Jan 22, 1925 Larder Lake to Rouyn Lake First Flight Cover with CL4, 3c Admiral cover mailed Larder Lake on JAN.22.1925 to Rouyn Lake (receiver on back), endorsed "By Air Mail" (to Montréal) and franked with a (25c) red Laurentide Air Service Ltd. issue, tied by large oval "First Winter Flight" cachet for the flight. Very fine. (Image)

Unitrade $ 275

Jan 22, 1925 Larder Lake to Rouyn Lake First Flight Cover to England with CL4, 4c Admiral cover mailed Larder Lake on JAN.22.1925 to Rouyn Lake (receiver on back), endorsed "By Air Mail" to England, with FEB.10 Liverpool receiver on front, franked with a (25c) red Laurentide Air Service Ltd. issue, very fine. (Image)

Est $ 350

Sep. 2, 1925 Northern Air Service First Flight Covers with CL5, both are 3c Admiral covers one mailed Haileybury to Rouyn and the other Rouyn to Haileybury, both are ideally franked with a 25c blue Northern Air Service semi-official stamp on front, with despatch and receiver datestamps, very fine. (Image)

Unitrade $ 350

Sep. 2, 1925 Northern Air Service First Flight Covers with CL5, both are 3c Admiral covers one mailed Haileybury to Rouyn and the other Rouyn to Haileybury, both are franked with a 25c blue Northern Air Service semi-official stamp on back, with despatch and receiver datestamps plus light flight cachet in blue and pilot signatures, very fine. (Image)

Unitrade $ 350

Jun. 27, 1926 Elliot-Fairchilds Air Service and Patricia Airways Ltd. Double Flight Covers with CL9, first is a double flight Roessler cover with dual franking mailed Rolling Portage to Red Lake (MAY.27.1926) then forwarded to Sioux Lookout by Patricia Airways. Second is Roessler air mail cover mailed Rolling Portage to Red Lake, forwarded to Sioux Lookout by Patricia Airways. Both with appropriate despatch and receiving datestamps plus Patricia Airways cachet on back, alongside CL9 semi-official stamp, very fine. (Image)

Unitrade $ 450

CL13 Trial Colour Proof Used on Cover, a (25c) Patricia Airways and Exploration Semi-Official proof on buff coloured paper, franking a 2c Admiral personal commercial cover mailed a mining recorder in Sioux Lookout (AUG.11.1926) to his wife in Prescott (AUG.13), forwarded to Cobalt (AUG.17). It appears that only 2 or 3 panes were printed in this colour, and this is the only known stamp used on a cover, commercial or otherwise. Cover has a tear at top (not mentioned in the certificate), still rare, and accompanied by a 2019 Greene Foundation certificate. (Image)

Est $ 750

Patricia Airways and Exploration Ltd. Sioux Lookout to Pine Ridge, and Return Covers, JUL.7.1926 flights #CL13-2602c, both covers franked with "Muddy Waters" 2c Map stamps tied by appropriate despatch datestamps, both covers with CL13, tied by receiver datestamps and Maple Leaf cachets in green, both with envelope glue toning, still very fine. (Image)

Unitrade $ 200

Aug. 17, 1926 Cryderman Mine to Sioux Lookout Flown Cover, a 2c Admiral cover addressed to Winnipeg, with stamp cancelled by boxed Patricia Airways Ltd. AUG.17.1926 Sioux Lookout handstamp. Top left corner of cover has a hand-written cachet in red by pilot F.J. Stevenson (with his signature), back is franked with CL13 tied by same Patricia Airways handstamp than on front, with Sioux lookout AUG.21 receiver. Very fine and rare, as only 35 covers were carried on this flight. (Image)

Est $ 500

Patricia Airways Ltd. Semi-Official Stamp with "Small t" Variety on First Flight Cover, first flight # CL13-2602 Sioux Lookout to Red Lake (JUL.7.1926) with Maple Leaf cachet in green on both sides, back franked with a (25c) Patricia Airways first issue with "Small t" variety. A scarce stamp, this one on a lovely corner card cover "The Berger Tailoring Co. Limited", very fine. (Image)

Unitrade $ 750

1927 with Unlisted Variety on Cover, a 10c Patricia Airways route overprint in violet (not red), tied to the reverse of an illustrated route advertising cover to Charlottetown, PEI, with Rouyn APR.11.1927 c.d.s. on front and back, received in Charlottetown on APR.14. An official Patricia Airways and Exploration cover, and one of only two recorded with this unlisted overprint variety. Accompanied by a 2019 Greene Foundation certificate. (Image)

Est $ 1,000

(50c) Blue Patricia Airways Semi Official Stamp on Cover, 2c Admiral cover mailed Birch Lake SEP.10.1926 to Sioux Lookout (SEP.10 receiver on back) with CL18 stamp tied by Birch Lake c.d.s., scarce and very fine. (Image)

Unitrade $ 300

Patricia Airways and Exploration Co. Ltd. Rouletted with Ascending Type A Overprint in Red and Inverted Type D Overprint in Black on Cover, 2c Admiral cover mailed Gold Pines on AUG.31.1927 (the earliest reported use of this stamp) to Sioux Lookout with SEP.1 receiver. The inverted overprint stamp has a sheet margin at right, and is tied by the flight cachet, very fine. (Image)

Unitrade $ 425

Group of Yukon Airways and Explorations Co. Ltd. 1928 Covers, with 6 different covers and two "Whitehorse Star" newspapers from the April 13th to 15th first flights. Catalogue numbers in the AMCN are CL42-2801 - CL42-2801g. Some minor creases and one of the newspapers is toned and also folded twice vertically, still a nice group. (Image)

Unitrade $ 710

25c Yukon Airways Semi Official Issues on Two Different Covers, both 2c Scroll franked covers, first Atlin BC (OCT.25.2929) to Whitehorse (OCT.28 receiver, Longworth-Dames states very few flown), and second Dawson YT (APR.2.1929) to Aklavik N.W.T. Both covers very fine. (Image)

Est $ 100

25c Yukon Airways Semi Official Issue on Dog Sled Cover, AAMS # CL42-2703a. mailed Whitehorse on NOV.24.1927 to Wernecke, Yukon (DEC.5 receivers front and back). This flight was completed by dog sled, and 70 items were carried. Very fine. (Image)

AAMS $ 200

25c Yukon Airways Semi Official Issue on Dog Sled Cover, AAMS # CL42-2703c. a 2c Provisional Admiral (used in period) cover mailed Whitehorse on NOV.24.1927 to Dawson, Yukon (DEC.8 receivers front and back). This flight was completed by dog sled, and about 20-25 items were carried. Very fine. (Image)

AAMS $ 200

25c Yukon Airways Semi Official Issue on Dog Sled Cover, AAMS # CL42-2703. mailed Whitehorse on NOV.24.1927 to Mayo, Yukon. This flight was completed by dog sled, and 75 items were carried. Very fine. (Image)

AAMS $ 200

25c Yukon Airways Semi Official Issue with "ArRWAYS" Variety on Cover, mailed from Whitehorse Yukon on APR.13.1928 to Atlin BC (APR.13 receiver on back), signed by pilot and very fine. A scarce stamp variety, on or off cover. (Image)

Unitrade $ 550

25c Blue Yukon Airways and Explorations Co. Stamp with "Repair Entry on Left 2" on Cover, 2c Admiral cover mailed Champagne, Yukon JUN.23.1929 to Whitehorse, Yukon (JUN.23 receiver on back), with Airmail Strip covering the bottoms of the stamps, leaving the variety quite visible. A rare and undervalued variety, which occurs only once in every sheet of 80, covers are scarce. (Image)

Unitrade $ 500

25c Blue Yukon Airways and Explorations Co. Stamp with "Repair Entry on Left 2" on Cover, 2c Admiral cover mailed Champagne, Yukon JUN.23.1929 to Whitehorse, Yukon (JUN.23 receiver on back), with Airmail Strip covering the bottoms of the stamps, leaving the variety quite visible. A rare and undervalued variety, which occurs only once in every sheet of 80, covers are scarce. (Image)

Unitrade $ 500

25c Blue Yukon Airways and Explorations Co. Stamp with "Repair Entry on Left 2" on Two Covers, both are 2c Admiral covers mailed Champagne, Yukon JUN.23.1929 to Whitehorse, Yukon (JUN.23 receiver on back), with the variety quite visible, but with both stamps having a small corner tear. A rare and undervalued variety, which occurs only once in every sheet of 80, covers are scarce. (Image)

Unitrade $ 1,000