c1928 5c Airmail Watercolour Die Essay, with the words "Specimen" and "Aviation" across the top and bottom of the design. Painted in blue watercolour on thin tracing paper containing creases normal to this paper. In the large margins are inscribed in light pencil "Canada" and "Accepted". Accompanied by a 2011 Philatelic Foundation certificate. A must have for the airmail collector and unique. (Image)

Est. $ 500

1928-1946 Complete Set of Air Mails, including Special Delivery Airmails (plus a plate block of CE3). All mint never hinged, mostly very fine. (Image)

Unitrade $ 564

1930 5c olive brown Air Mail, mint never hinged, with very light smudge on gum, else very fine. (Image)

Unitrade $ 240

1903 1c green Edward Precancelled Block of Nine, with inverted BRIDGEBURG precancel. Blunt perfs on top and bottom left stamps and small tear, else a very nice block. (Image)

Est. $ 100

1902 1c Edward Precancel Variety on Wrapper, with twelve stamps (two strips of four, one pair and two singles) each showing an inverted MONTREAL QUEBEC precancel. The wrapper is addressed to Lowell, Mass and is franked with what looks like a scarce multiple of the 1c per 4oz Second Class Publishers newspaper rate (May 1907 to Feb 1908). Some foxing around a few stamps, vertical crease (hidden by one stamp not belonging) and overall aging, still a nice item. (Image)

Est. $ 100

Group of 12 Booklets, 1912-1971, includes two BK5 catalogued as most common variety, BK39a French, BK39a English missing the pane of C9a, all other booklets complete. Catalogued as fine though most are very fine.

Unitrade $ 460

2000 47c Flag Over Inukshuk Vertically Miscut Error, self-adhesive booklet pane of 10, with vertical cut shifted to 6mm into the stamp from the left frameline. (Image)

Est $ 100

2000 47c Flag Over Inukshuk Horizontally Miscut Error, self-adhesive booklet pane of 10, with horizontal cut shifted to 8.5mm into the stamp from the top frameline of the top row, and missing entirely from the bottom row. (Image)

Est $ 100

2006 51c QEII 80th Birthday imperforate booklet, mint never hinged and unfolded (missing rouletting to fold). Unitrade states 6 have been reported. Rare and very fine. Accompanied by a 2012 Richard Gratton AIEP certificate stating in part "...without the die cut" and "The booklet was cut using scissors from a completely uncut press sheet". (Image)

Est. $ 1,000

2007 P Value Christmas Booklet Completely Imperforate, fresh and very fine, with only 6 known to exist. Accompanied by a 2009 Richard Gratton AIEP certificate. (Image)

Unitrade $ 4,000

1864 8c blue Queen Victoria First Bill Issue Block of Fifteen, with sheet selvedge at right, mint never hinged, very fine. (Image)

Van Dam $ 675

1949 $2 brown Consular Fee Stamp, sheet of 50 (left pane) showing plate inscription at lower left, folded between 3rd and 4th rows and bit of selvedge separation (not affecting plate block) and "50" notation at upper right corner, mint never hinged, very fine. (Image)

Van Dam $ 4,063

1968 Employment Insurance issue, 70c to $2.80 values (missing 40c and $3.12 values), fresh, mint never hinged, fine-very fine. (Image)

Van Dam $ 187

1971-1973 Kaulbach Islands Locals, in full and part sheets, etc. All mint never hinged. Includes the first 15 stamps issued.

Local Post $ 254

1946 7c Canada Goose Overprinted OHMS Matched Set of Plate Blocks, from Plate No. 2. There is a small gum disturbance on the selvedge of the upper right block, else very fine, mint never hinged. (Image)

Unitrade $ 410

1946 7c Canada Goose Overprinted OHMS Matched Set of Plate Blocks, from Plate No. 1. Very fine, mint never hinged. (Image)

Unitrade $ 410

1946 7c Canada Goose Overprinted OHMS Plate Block with "No Period After S" Variety, on bottom right stamp of Plate No. 2. Very fine, mint never hinged. (Image)

Unitrade $ 380

1946 7c Canada Goose Overprinted OHMS Plate Block with "No Period After S" Variety, on bottom right stamp of Plate No. 1. Very fine, mint never hinged. (Image)

Unitrade $ 320

1949-50 1c green War Issue Overprinted OHMS Matched Set of Plate Blocks from Plate 31, mint never hinged, very fine. (Image)

Unitrade $ 660

1949-1950 1c green KGVI War Issue Matched Set of Plate Blocks, plate No. 30, mint never hinged, fresh and very fine. (Image)

Unitrade $ 564

1949-50 War and Peace issues Overprinted OHMS Matched Set of Plate Blocks with 12 different blocks (1c, 3c and 10c), with one 10c stamp having a tiny thin, else mint never hinged, very fine.

Unitrade $ 1,052

1949-1963 Complete Collection of 52 Official Overprints, all used, with nice light c.d.s. cancels and very fine centered. A most pleasing, quality collection. (Image)

Unitrade $ 620

1949-50 2c brown War Issue Overprinted OHMS Matched Set of Plate Blocks from Plate 4. Upper right and left are mint never hinged, lower right and left are lightly hinged. Very fine. (Image)

Unitrade $ 775

1949-50 3c rose violet War Issue Overprinted OHMS Matched Set of Plate Blocks from Plate 34, mint never hinged, very fine. (Image)

Unitrade $ 368

1949-50 4c dark carmine War Issue Overprinted OHMS Matched Set of Plate Blocks from Plate 50, mint never hinged, very fine. (Image)

Unitrade $ 1,250