1930-2, 5c olive Allegory to 6c on 5c Ottawa Conference, Air Post blocks of four, with C1, C2, C4 lightly hinged, C3 never hinged, fresh and very fine. (Image)

Unitrade C$ 680

1928, 5c brown olive, imperforate pair, lightly hinged, large balanced margins all around, fresh and very fine. (Image)

Unitrade C$ 350

1928, 5c brown Allegory of Flight, vertical imperforate pair,, the top stamp lightly hinged, fresh and very fine. (Image)

Unitrade C$ 350

1928, 5c brown olive Airmail, lower-right margin block of eight, never hinged, uncommonly found as large multiples, very fine. (Image)

Unitrade C$ 1,200

1900, 2c carmine Victoria, Die II, partial pane of five, never hinged, in an otherwise complete booklet with rate cards and intact glassine interleaving, scarce and seldom offered, fine-very fine; Unitrade c.v. is $3,000 for a complete booklet. (Image)

Estimate C$ 200

1922 (December), 2c yellow green Admiral booklet, French, sans-serif capitals with War Tax information, one of the two panes with a single stamp removed, with interleaving, small lower right corner crease to front and back corner and small scratches to back cover, fine-very fine; catalogue value is for a complete booklet of two panes of six. (Image)

Unitrade C$ 1,100

1922, 1c, 2c, and 3c, Admiral complete booklet, French, with one pane of four and two labels each of 1c yellow, 2c yellow green, and 3c brown, with interleaving, usual light edge wear and slight rubbing to cover, fresher than often found, fine-very fine. (Image)

Unitrade C$ 1,300

1923 1c, 2c and 3c Admiral booklet, complete, English, with interleaving, blue cover and large letter slogans inside, some trivial rubbing and edge wear, else fresh and fine-very fine. (Image)

Unitrade C$ 500

1929, King George V Scroll issue booklet, complete, with plain manila cover, enclosing panes of the 1c (x3), 2c (x2) and 5c (x1), the covers each with some creasing as commonly found, a difficult booklet, fine-very fine. (Image)

Unitrade C$ 800

1864, First Bill Issue, $1 blue Victoria, used, with centrally-stuck June 18, 1866 cancel, a few blunt perforations at right, fine-very fine. (Image)

van Dam C$ 250

1865, Second Bill Issue, 50c blue, imperforate single, part original gum, with hinge remnant, full margins showing portion of adjoining stamp at top, scarce and fine-very fine. van Dam c.v. for a pair is $1,650. (Image)

Estimate C$ 500

1865, Second Bill Issue, both $1 Victoria colour types, used, with both red and green centre and green with red centre, FB33 with clean strike of bank cancel at lower left, FB34 with unobtrusive central manuscript cancel, both very fine. (Image)

van Dam C$ 425

1865, Second Bill Issue, $2 red with violet centre, heavily hinged, with part original gum, centered very fine. (Image)

van Dam C$ 475

1865, Second Bill Issue, $3 red with blue centre, a lightly hinged mint example, of fresh colour, very fine. (Image)

van Dam C$ 550

1918, Customs Duty, 1c orange Niagara Falls Provisional, rubber stamped "CUSTOMS DUTY", never hinged, scarce and very fine; with 2008 van Dam certificate. (Image)

van Dam C$ 800

1949, Consular Fee, 25c blue to $5 green, mint set of five, with several never hinged, the balance hinged, in mounts on a van Dam album page, very fine. (Image)

van Dam C$ 483

1875, Gas Inspection, $3 blue Crown, with 4.5mm red control numbers, used with manuscript cancel, fine-very fine. (Image)

van Dam C$ 250

1875, Gas Inspection, $4 blue Crown, with 4.5mm red control numbers, used, with manuscript cancel, fine-very fine. (Image)

van Dam C$ 450

1875, Gas Inspection, $5 blue Crown, with 3.5mm red control numbers, mint, with hinged original gum, very fine. (Image)

van Dam C$ 375

1875, Gas Inspection, $1.50 blue Crown, with 3.5mm red control numbers, used, with "CANCELLED" handstamp, very fine. (Image)

van Dam C$ 950

1875, Gas Inspection, $2 blue Crown, with 3.5mm red control numbers, hinged original gum, diagonal gum bend, else very fine. (Image)

van Dam C$ 550

1897, Gas Inspection, 5c blue Victoria, with red control numbers, used, of good colour, one of the key stamps of this issue, typical centering for this issue, with all recorded examples being off-centre, fine and rare. (Image)

van Dam C$ 4,000

1897, Gas Inspection, $1.50 blue Victoria, with red control numbers, part original gum, hinged, fine-very fine. (Image)

van Dam C$ 150

1870s, Lock Labels, two engraved examples in red and blue, the blue used, with red serial numbers, and the red mint, with black serial numbers, prepared to be used on locks at distilleries and warehouses, used examples generally faulty, the example offered here remarkably sound, a fascinating addition to a revenue collection, fine-very fine. (Image)

van Dam C$ 400

1885, Petroleum Label in vermilion, imperforate without gum as issued, intended for use on Canadian petroleum cans, a very fresh example of exceptional quality, missing from even many advanced collections, very fine. (Image)

van Dam C$ 300