DOMINION OF CANADA: 1852-57, handmade thick wove paper, 3d red with good even margins, part og. Good with reasonable colour. RPS (1960) and Vincent Graves Green (2019) Certificates. Scott 4v, SG 5, £2,750; Est £600-£700 (Image)

DOMINION OF CANADA: 1852-57, handmade wove paper, 6d slate-violet (slate grey), good to very large margins, unused without gum; diagonal crease which has very slightly started to split at top. Fine impression with good colour. A collectable example of this rare stamp. Vincent Graves Green Certificate (2018). Scott 5, SG 9, £45,000; Est £3000-£3500 (Image)

DOMINION OF CANADA: 1852-57, handmade wove paper, 6d slate-violet (slate grey), good to large margins, unused with re-distributed gum; horizontal crease and very small thin. Good impression with reasonable colour. A collectable example of this rare stamp. Vincent Graves Green Certificate (2018). Scott 5, SG 9, £45,000; Est £3000-£3500 (Image)

DOMINION OF CANADA: 1852-57, handmade wove paper, 7½d deep green, good to very large margins, small part og with vibrant impression and colour. A very collectable example of this scarce stamp. Vincent Graves Green Certificate (2008). Scott 9a, SG 12, £13,000; Est £2000-£2200 (Image)

DOMINION OF CANADA: 1852-57, handmade thin wove paper, 10d blue, good to large margins, large part og with hinge remainder; small imperfection at top and tiny gum thin. Fine impression with vibrant colour. A most appealing example of this scarce stamp. Vincent Graves Green Certificate (2018). Scott 7, SG 13, £14,000; Est £2800-£3000 (Image)

DOMINION OF CANADA: 1852-57, handmade thick opaque wove paper, 10d blue, close to good margins, part og with hinge remainder; good impression with fine colour. An appealing example of this scarce stamp. Vincent Graves Certificate (2018). Scott 7a, SG 13, £14,000; Est £2800-£3000 (Image)

DOMINION OF CANADA: 1852-57, handmade wove paper, 10d dull blue, good to huge margins, disturbed part og. Good impression with fair colour. An appealing example of this scarce stamp. Vincent Graves Green Certificate (2010). Scott 7a, SG 14, £13,000; Est £2000-£2200 (Image)

DOMINION OF CANADA: 1852-57, very thick soft wove paper, 6d reddish purple, close to large margins, large part og with hinge remainder and pen manuscript references on reverse. Good impression with reasonable colour. An appealing example of this illusive stamp. Richard Gratton Certificate (2010). Scott 10, SG 23, £48,000; Est £6000-£7000 (Image)

DOMINION OF CANADA: 1858-59, machine-made medium to thick wove paper, 3d red, perf 11¾, unused with disturbed og, centred to foot. Clear impression and fine colour. A good example of this scarce stamp. RPS Certificate (1998). Scott 12, SG 26, £13,000; Est £1500-£1700 (Image)

DOMINION OF CANADA: 1858-59, machine-made medium to thick wove paper, 3d red, perf 11¾, unused without gum, reasonable centring, slight oxidisation. Fine impression and fair colour. A good example of this scarce stamp. Richard Gratton Certificate (2013). Scott 12, SG 26, £13,000; Est £1000-£1200 (Image)

DOMINION OF CANADA: 1858-59, machine-made medium to thick wove paper, 6d brownish grey, perf 11¾, small part og, centred to right and minor imperfections. Fine impression and lovely colour. A collectable example of this rare stamp. Vincent Graves Green Certificate (2003). Scott 13, SG 27, £18,000; Est £2000-£4500 (Image)

DOMINION OF CANADA: 1858-59, machine-made medium to thick wove paper, 6d brownish grey, perf 11¾, large part og, slightly centred to lower left and re-perforated at foot. Superb impression and vibrant colour. A very collectable example of this rare stamp. Philatelic Stamp Authentication & Grading, Inc. Certificate (2012). Scott 13, SG 27, £18,000; Est £1800-£2000 (Image)

DOMINION OF CANADA: 1858-59, machine-made medium to thick wove paper, 3d red, perf 11¾, showing major re-entry (position 61,Pane B), unused with slightly disturbed og, centred to foot. Good impression and colour. A fine example of this scarce stamp. Vincent Graves Green Certificate (2013). Scott 12vii, SG 26a, £13,000+; Est £2000-£2200 (Image)

DOMINION OF CANADA: 1859 1c deep rose, perf 11¾, upper marginal horizontal pair (slight perf separation between right hand stamp and margin), unmounted og (mounted in selvedge and small adhesion), good centring, . Lovely vibrant colour and good appearance. Fine. Vincent Graves Green Certificate (2013). Scott 14b, SG 30, £1,000+; Est £250-£220 (Image)

DOMINION OF CANADA: 1859 10c purple, perf 12, slightly centred to foot, large part og (small hinge remainder), a couple of toned perfs. Very fine impression and lovely colour. Good. Vincent Graves Green Certificate (2016). Scott 17a, SG 34, £1,500; Est £250-£270 (Image)

DOMINION OF CANADA: 1859 10c purple, perf 12, reasonable centring, unused with disturbed gum. Good impression and lovely colour. Fair. Vincent Graves Green Certificate (2014). Scott 17a, SG 34, £1,500; Est £150-£170 (Image)

DOMINION OF CANADA: 1859 10c brown (to pale), perf 11¾, 12 x 11¾, well-centred with large part og (hinge remainder). Fine impression and good colour. Fine. Vincent Graves Green Certificate (1999). Scott 17b, SG 36, £1,400; Est £350-£400 (Image)

DOMINION OF CANADA: 1859 10c bright red-purple, imperforate single (position 61) showing double "EPAULETTES FLAW", good to large margins, unused with no gum as issued. Good impression and lovely colour. Fine. Philatelic Foundation Certificate (2000). Scott 17c var, SG 38a var, £15,000 for a pair; Est £2000-£2200 (Image)

DOMINION OF CANADA: 1859 12½c pale yellow-green, perf 12, well-centred, large part og (small hinge remainder). Good impression and lovely colour. Fine. Vincent Graves Green Certificate (2018). Scott 18, SG 40, £1,200; Est £250-£270 (Image)

DOMINION OF CANADA: 1864 2c right rose red, reasonable centring, unmounted og. Fine appearance and colour. Superb. Vincent Graves Green Certificate (2014). Scott 20i, SG 45; Est £350-£400 (Image)

DOMINION OF CANADA: 1864 2c rose red, imperforate horizontal pair, good even margins, unused without gum as issued. Fine impression and lovely colour. Very fine. Richard Gratton Certificate (2012). Scott 20b, SG 45a, £3,500; Est £1200-£1400 (Image)

DOMINION OF CANADA: 1868-90, medium to stout wove paper, 2c bluish green, block of four with large part og with hinge reinforcements, centred to foot; a few imperfections otherwise with lovely bright colour. Fair. Scott 24ii, SG 57d, £3,200+; Est £500-£550 (Image)

DOMINION OF CANADA: 1868-90, medium to stout wove paper, 6c blackish brown (to chocolate), large part brownish og, one corner perf bend, good centring with deep colour. Fine. Vincent Graves Green Certificate (2013). Scott 27, SG 59, £1,400; Est £200-£220 (Image)

DOMINION OF CANADA: 1868-90, medium to stout wove paper, 12½c blue, lower marginal horizontal strip of five showing part imprint "BRITISH AMERICAN BAKNO(TE)" at right, unmounted og (mounted in margin only) with right stamp patch of gum missing. Lovely colour and impression. Fine and most attractive. Vincent Graves Green Certificate (2013). Scott 28, SG 60, £4,750+; Est £1500-£1700 (Image)

DOMINION OF CANADA: 1868-90, medium to stout wove paper, 12½c blue, block of four, large part og (lower pair unmounted og), diagonal bend affecting top two stamps, virtually perfect centring. Fine impression and gorgeous vibrant colour. A most appealing block. Vincent Graves Green Certificate (2007). Scott 28, SG 60, £3,800+; Est £1200-£1400 (Image)