1851 3p orange vermilion, used, full to large margins all around, v.f., with 2009 Gratton certificate, cat. $1000 (Cat No. 1a) (Image)

Cat. $1000, Est.US$250

1851 6p grayish purple, used, clear to large margins all around, fine, with 1989 PFC, cat. $1500 (Cat No. 2) (Image)

Cat. $1500, Est.US$250

1855 10p blue, used, full margins all around, v.f., with 1999 Greene Foundation certificate, cat. $1500 (Cat No. 7) (Image)

Cat. $1500, Est.US$300

1857 7 1/2p green, imperf. proof on india, single and horizontal pair, v.f. (Unitrade 9P, CA$900) (Cat No. 9P) (Image)

Est.US$300

1859 6p brown violet, lightly canceled, vertical crease at right, otherwise fine and presentable example of this rare stamp, with 1989 PFC, cat. $7500 (Cat No. 13) (Image)

Cat. $7500, Est.US$500

1877 10c dull rose lilac, right margin imprint block of twelve, heavy h.r., top and bottom blocks of six rejoined, pos. 5-6 with natural creases and some selvage faults, otherwise fine-v.f., with 2017 PSE certificate (catalogued as singles) cat. $15000 (Cat No. 40) (Image)

Cat. $15000, Est.US$1,000

1877 10c dull lilac rose, block of twelve, natural gum skips and natural creases, the latter affecting five stamps, fine-v.f., with 2017 PSE certificate for a block of 24 from which this originated (catalogued as hinged singles) cat. $15000 (Cat No. 40) (Image)

Cat. $15000, Est.US$1,000

1897 Jubilee, 1/2c-$5, complete set used, various postmarks, minor flaws, mostly fine or better, cat. $5416 (Cat No. 50-65) (Image)

Cat. $5416, Est.US$800

1897 $1 lake, barest trace of a hinge, well centered, v.f., with 2009 Greene Foundation certificate, cat. $750 (Cat No. 61) (Image)

Cat. $750, Est.US$200

1897 $4 purple, l.h., well centered, v.f., with 2018 Greene Foundation certificate, cat. $1300 (Cat No. 64) (Image)

Cat. $1300, Est.US$300

1897 8c red orange, block of four, unused, disturbed original gum, perf. separations, fine and scarce multiple, cat. $1300 (Cat No. 72) (Image)

Cat. $1300, Est.US$150

1903-08 2c carmine, Top sheet margin Plate No. 13 and 14 blocks of eight, hinged in the ungummed portion of the top margin, stamps n.h., one with a gum thin, others v.f. (catalogued as singles) cat. $1280 (Cat No. 90A) (Image)

Cat. $1280, Est.US$500

1908 Quebec Tercentenary, 1/2c-20c, complete set, 1/2c and 1c l.h., balance n.h., 15c and 20c well centered, 2c with faint offset on gum, fine-v.f., cat. $2429 (Cat No. 96-103) (Image)

Cat. $2429, Est.US$350

1908 Quebec Tercentenary, 1/2c-20c, set of eight on cover, "Montreal Aug.3.08" cancels, faint overall toning and minor folds mostly away from the stamps, a fine philatelic cover (Cat No. 96-103) (Image)

Est.US$500

1924 Coils, 2c green, 3c brown, vertical pairs, n.h., v.f., the former with 2024 William T. Crowe certificate (grade 90 NH-Extremely Fine) cat. $487 (Cat No. 133,134) (Image)

Cat. $487, Est.US$150

1928-29 Pictorials, unissued 55c two ideas for frame, hand drawn in pencil by artist, plus additional part of 20c frame sketched in pencil, v.f. and possibly unique (Image)

Est.US$250

1935-38 $1 Champlain, $1 Chateau de Ramezay, blocks of four, two of each, n.h., v.f., cat. $1540 (Cat No. 227,245) (Image)

Cat. $1540, Est.US$250

1951 $1 Fishing, sheet of 50, n.h., some minor marginal separations away from the plate number, v.f., cat. $1785 (Cat No. 302) (Image)

Cat. $1785, Est.US$250

1923 Colombia, SCADTA 20c Registration stamp, red "R", handstamped "CA." (Canada), n.h., v.f., only 50 printed, cat. $1500 (Cat No. CFLCA1) (Image)

Cat. $1500, Est.US$500

1935 "Europa-Southampton" Ship to Shore Catapult flight cover, addressed to Luzern, with appropriate cachets, v.f., scarce (Image)

Est.US$250

1919 (22 Feb) Canadian YMCA corner cachet "On Active Service" cover to Ottawa, with "Orderly Room 259th Bn Can. Rifles (Siberia)" dated cachet, also a fine strike of the "Field Post Office Canadian Siberian Expeditionary Force" Feb 26 cancel, below, fine cover from a member of the small Canadian contingent in Siberia (the 259th Battalion, Canadian Rifles, was an infantry battalion of the Canadian Expeditionary Force Siberia, embarked for Russia on 22 and 26 December 1918, disembarked at Vladivostok on 12 and 15 January 1919 serving with the 16th Infantry Brigade as part of the Allied Forces in eastern Russia until 19 May 1919. The 259th Battalion recruited in London and Kingston, Ontario, also in Montreal and Quebec City. It was commanded by Lt.Col. A.E. Swift) (Image)

Est.US$250

1921 35c red, three copies, one with period after "1921," used on separate flown covers to Halifax, fine-v.f., cat. $675 (Cat No. C3,3b) (Image)

Cat. $675, Est.US$200

1932 return flight of DoX, cover franked with $1 surcharge, tied by St. John's May 20 cds, addressed to London, v.f. (Cat No. C12) (Image)

Est.US$150

1919 (12 July) "Martinsyde" Supplementary mail (only 25 flown) by pilots Raynham & Morgan, cover franked by $1 Trans-Atlantic surcharge tied by St. John's machine duplex, sent to London, with arrival markings, small part of backflap torn away, otherwise fine, signed Bolaffi, Colla, etc., with 1965 Bolaffi certificate, also with a 1943 Francis Field certificate and explanation (as the flight was delayed, the mail bag, originally made up on May 18, was opened on July 12, and an additional 25 covers, all franked with the $1 surcharge, were added. The flight crashed on takeoff, and Capt. Raynham subsequently went to England by ship, forgetting to turn the mail over to the Post Office until January 7, 1920, hence these covers were not backstamped until then) (Image)

Est.US$1,500

1919 (12 July) "Martinsyde" Supplementary mail (only 25 flown) by pilots Raynham & Morgan, cover franked with $1 Trans-Atlantic surcharge tied by St. John's machine duplex, sent to London, with 7 January backstamp, also endorsed "Martinsyde Mail Bag", fine and scarce cover, with additional Harry A. Truby and October 14 1921 datestamps (as the flight was delayed, the mail bag, originally made up on May 18, was opened on July 12, and an additional 25 covers, all franked with the $1 Surcharge, were added. The flight crashed on takeoff, and Capt. Raynham subsequently went to England by ship, forgetting to turn the mail over to the P.O. until January 7, 1920, so the covers were not backstamped until then) (Image)

Est.US$1,500