1867-83 Wmk MC 5s rose pl.1 with "SPECIMEN" type 6 overprint, mint og, fine and fresh (SG £1'100 in 2019) (Image)

1867-83 Wmk MC 5s rose pl.1 CF mint og, exceptionally deep colour for this issue, very rare so fine, cert. BPA (1984) (SG £9'500) (Image)

1867-83 10s De La Rue die proof in black on white glazed card (91x60mm), dated at upper left "May 2, 1878", very fine and scarce, cert. Holcombe (1995) (Image)

1867-83 10s De La Rue die proof in black on white glazed card (91x60mm), dated at upper left "May 3, 1878", fine and scarce
1878 10s Die proof. Very fine basic proof without corner letters or plate numbers, printed in black on white glazed card (61 x 92mm) dated "May 3, 1878". Scarce. (Image)

1867-83 10s Imperforate colour trial in bistre with "SPECIMEN" type 9 overprint, mint hr lower marginal example with inscription "POSTAGE", a few small tone spots in the margin and some natural gum wrinkles, fine and attractive (SG from £2'400)
1878 10s Colour trial. Very fine unused o.g. imperforate example with extended bottom margin lettered DG printed in bistre, overprinted €œSPECIMEN€œ type 9. Most attractive. (Image)

1867-83 10s Imperforate colour trial in brown with "SPECIMEN" type 9 overprint, mint og lower marginal with part inscription, hinge bend at top, fine and scarce (Image)

1867-83 10s Imperforate colour trial pl.1 in mauve with "SPECIMEN" type 9 overprint in mint og top marginal block of four showing part sheet inscription, minor gum bends and light horizontal crease through lower pair, nevertheless a scarce and attractive multiple (SG £8'800+) (Image)

1867-83 £1 Imperforate colour trial in grey-blue with "SPECIMEN" type 9 overprint in mint og lower left corner marginal on gummed watermarked paper, showing small part sheet inscription, some natural gum wrinkling as usually seen, scarce (Image)

1867-83 10s Imperforate colour trial in violet with SPECIMEN type 9 overprint, mint original gum, very fine and scarce
1878 10s Colour trial. Very fine imperforate example lettered ED printed on gummed watermarked paper in mauve, overprinted "SPECIMEN" type 9. Scarce. (Image)

1867-83 Wmk MC 10s greenish grey with central Dundee M.O. cds, very fine (SG £3'200 in 2019) (Image)

1867-83 £1 De La Rue die proof in black on white glazed card (92x60mm) with outer frame lines, uncleared corner squares & plate number circle, dated "Apr 18, 1878", hinge remnants on reverse, very fine and scarce (Image)

1867-83 £1 De La Rue die proof in black on white glazed card (92x60mm) with uncleared corner squares & plate number circle, dated "Apr 29, 187(8)", very fine and scarce (Image)

1867-83 £1 Imperforate colour trial in bistre with "SPECIMEN" type 9 overprint, mint hinge remnants, fine (Image)

1867-83 £1 Imperforate colour trial in grey-blue with SPECIMEN type 9 overprint, mint og, very fine (SG £2'700) (Image)

1867-83 £1 Imperforate colour trial in grey-blue with "SPECIMEN" type 9 overprint, mint hr, showing small part sheet inscription, very fine and scarce (Image)

1867-83 £1 imperforate colour trial in mauve with "SPECIMEN" type 9 overprint, mint original gum, very fine and scarce
1878 £1 Colour trial. Very fine imperforate example lettered DA printed on gummed watermarked paper in mauve, overprinted "SPECIMEN" type 9. Scarce. (Image)

1867-83 Wmk MC £1 brown-lilac pl.1 with superb Glasgow cds, repaired top right corner perf, a highly attractive example (SG £4'500 in 2019)
1878 £1 Brown-lilac Pl.1. Very fine used well centred example lettered DA, beautifully cancelled by a crisp Glasgow cds for AP.27.1882. Very scarce so fine. (Image)

1867-83 Wmk Anchor 5s rose pl.4 on blued paper with "SPECIMEN" type 9, mint og, very fine and fresh (SG £5'250) (Image)

1867-83 Wmk Anchor 5s rose on blued paper, unused, pressed creases and some faint toning, presentable example of a very rare stamp (SG £35'000) (Image)

1867-83 Wmk Anchor 5s rose pl.4 on blued paper with crisp and central Liverpool Exchange 24 MR 84 cds, pressed vertical creases, very fine appearance, cert. BPA (2019) (SG £4'800) (Image)

1867-83 Wmk Anchor 10s grey-green AA-AB on blued paper, used pair both with neat Argyll Street / Glasgow cds, very fine and rare multiple, cert. BPA (2003) (SG £9'000+) (Image)

1867-83 Wmk Anchor 10s grey-green pl.1 DA on blued paper neatly cancelled by a Aberystwith cds for OC.16.1883, slightest hint of a horizontal wrinkle mentioned purely for accuracy, a striking example of this rare stamp, cert. RPS (1950) (SG £4'500 in 2019) (Image)

1867-83 Wmk Anchor £1 brown-lilac DA on blued paper, very neat partial cds at the top left corner, pressed vertical crease, very fine appearance (SG £7'500) (Image)

1867-83 £5 Orange pl.1 CE on blued paper "SPECIMEN" type 9 overprint, mint hr, usual gum crazing, fine and scarce (SG £3'000 in 2019) (Image)

1867-83 £5 Orange on white paper, 1883-84 2s6d, 5s & 10s on white paper and 1884 wmk Crowns £1 brown-lilac with "CANCELLED" type 14 overprints, each stamp taken from the 1888-89 Inland Revenue colour standard blocks, the 2s6d, 5s & 10s mint nh, odd trivial gum bend on the £1 and £5, a magnificent set of the utmost rarity, with only four or five examples of each value are known in private hands (SG Spec. K10(1)t, K12(1)v, K14(2)t, K15u & J128v) (Image)