1852 3p red, vertical pair, used (still with much gum), margins all around, excellent color, v.f. (Cat No. 4) (Image)

Est.$250

1888 Ottawa Printing, 3c vermilion, 5c gray and two slightly different shades of 6c red brown, h.r., small faults, fine-v.f., cat. $775 (Cat No. 41-43) (Image)

Cat. $775, Est.$150

1897 $1 lake, well centered, n.h. and post office fresh, minor gum bend, still v.f., with 2005 Vincent Greene certificate, cat. $2900 (Cat No. 61) (Image)

Cat. $2900, Est.$750

1930-31 20c-$1, set of three plate blocks of four, with additional 20c plate block, unused without gum, mostly well centered, some minor perf. separations, fine-v.f. (catalogue value for stamps with gum) cat. $3500 (Cat No. 175-177) (Image)

Cat. $3500, Est.$300

1928 5c brown olive, large die proof die sunk on card, fresh, v.f., rare (Cat No. C1P) (Image)

Est.$1,000

1930 5c olive brown olive, imperf. hybrid die proof affixed on large card, fresh, v.f., rare (Cat No. C2P) (Image)

Est.$1,000

1938 (14 Mar) first flight cover from Montreal, flown via Baltimore to Bermuda (only 20 carried), with appropriate cachets, transit and arrival pmks, minor toning; also 1935 first flight cover from Vancouver to Seattle, signed by the pilot and postmaster, fine-v.f. (Image)

Est.$250