1959, St. Lawrence Seaway, 5c red and blue, text is inverted, perfect centering, full original gum with minor unevenness in the middle, which is mentioned for accuracy only, NH, VF and rare, C.v. $9,000, Unitrade C.v. CAD$12,500 (Image)

1969, Christmas, Children Praying, plate proofs of 5c and 6c in issued colors, horizontal strip of four (pair of 5c and pair of 6c) with vertical gutter between pairs, printed on thick glazed paper with markings on the gutter, no gum as produced, NH, VF and rare, ex-G.D. Mass and ''Mount Royal'', Est. $1,200-$1,500 (Image)

1971, Christmas, Snowflakes, (10c) carmine, silver color omitted, right sheet margin block of four, full OG, NH, VF and scarce, especially in multiple, this error is not listed in Unitrade or Scott, Est. $400-$500 (Image)

1974, Pacific Coast Indians, 8c multicolored, two se-tenant pairs in block of four, ''missing bird on totem'' variety at top left stamp, full OG, NH, VF, Unitrade #572-73, ii, C.v. CAD $225++ (Image)

1973, R.C.M.P. Musical Ride, 15c multicolored, vertical imperforate pair in flawless condition, full OG, NH, VF, C.v. $375, Unitrade C.v. CAD$600 (Image)

1973, R.C.M.P. Musical Ride, 15c multicolored, vertical imperforate pair, top stamp has double impression, full OG, NH, VF and scarce, Unitrade C.v. CAD$900 (Image)

1974, Telephone Centenary, 8c multicolored, vertical imperforate pair, nice margins all around, full OG, NH, VF, only 100 imperf stamps were produced, C.v. $1,250, Unitrade C.v. CAD$2,000 (Image)

1979, Kluane National Park, ($2) multicolored, silver denomination and inscription omitted, left sheet margin single, full OG, NH, VF, C.v. $300, Unitrade C.v. CAD$400 (Image)

1981, Antique Mandora, (17c) multicolored, left sheet margin imprint single produced on gum side with omitted inscription and untagged, nice example without usual defects, full OG, NH, VF and scarce, only a half of 200 existing examples are in sound condition, a common stamp is included, Unitrade #878i, C.v. CAD$2,000 (Image)

1981, Antique Mandora, 17c multicolored, vertical imperforate pair with brown and most of magenta colors omitted, nice and fresh, full OG, NH, VF, Unitrade #878 footnote, C.v. CAD$1,500 (Image)

1983, ''Maple Leaf in Winter'', 32c red, cream and brown, background is mostly omitted (traces around Canada), no tagging, full OG, NH, VF, 8 examples reported with partially omitted background, R. Gratton certificate, Unitrade #924c footnote, Est. $300-$400 (Image)

1985, Parliament Building, 34c dull red brown, coil stamp in vertical imperforate strip of three, full OG, NH, VF, Unitrade C.v. CAD$200 for a pair (Image)

1989, Flag over the Clouds, 39c multicolored, horizontal imperforate pair, full OG, NH, VF, C.v. $525, Unitrade C.v. CAD$700 (Image)

1990, Queen Elizabeth II, 39c multicolored with green background, enlarged four-side margins horizontal imperforate pair, full OG, NH, VF, C.v. $500, Unitrade C.v. CAD$700 (Image)

1990, Queen Elizabeth II, 39c multicolored with green background, horizontal pair imperforate between stamps, full OG, NH, VF, C.v. $325, Unitrade C.v. CAD$500 (Image)

1990, Queen Elizabeth II, 39c multicolored with dark green background, a single with label at right, imperforate between stamp and label, full OG, NH, VF, Unitrade #1167di, C.v. CAD$600 (Image)

1990, Pronghorn, 45c multicolored, enlarged margins horizontal imperforate pair, full OG, NH, VF, C.v. $750, Unitrade C.v. CAD$1,200 (Image)

1990, Beluga Whale, 78c multicolored, left sheet margin horizontal imperforate pair, full OG, NH, VF, C.v. $850, Unitrade C.v. CAD$1,200 (Image)

1989, McAdam Railway Station, $2 multicolored with orange background, right sheet margin horizontal imperforate pair, full OG, NH, VF, C.v. $850, Unitrade C.v. CAD$1,200 (Image)

1989, McAdam Railway Station, $2 multicolored with orange background, bottom right corner sheet margin imperforate block of four, full OG, NH, VF, C.v. $1,700++, Unitrade C.v. $2,500 (Image)

1989, Parliament, 38c dark green, vertical imperforate pair of coil stamps, full OG, NH, VF, C.v. $375, Unitrade C.v. CAD$500 (Image)

1990, Flag, 39c dark violet and 40c blue gray, two coil stamps in vertical imperforate pairs, full OG, NH, VF, C.v. $425, Unitrade C.v. CAD$625 (Image)

1990, Legendary Creatures, 39c x4 multi, bottom right corner sheet margin imperforate se-tenant block of four, control lights on right selvage, full OG, NH, VF and rare, C.v. $1,250 for ''common'' block, Unitrade C.v. CAD$3,000 (Image)

1991, Flag over the Hills, 42c multicolored, vertical imperforate pair, large margins, full OG, NH, VF, C.v. $700, Unitrade C.v. CAD$1,000 (Image)

1991, Queen Elizabeth II, 42c multicolored with background in purple, four-side margins vertical imperforate pair, full OG, NH, VF, C.v. $575, Unitrade C.v. CAD$1,000 (Image)