1873-80 Large Coloured Corner Letters, Wmk Small Anchor & Orbs. 1873-80 2 1/2d Rosy Mauve pl.4 mint imperforate imprimatur, pencil "4" on reverse, on wmk Anchor paper instead of the issued wmk Orb paper, especially scarce as such, with only 22 possible examples, many of which are in institutionalised collections (SG £3'400) (Image)

1873-80 2 1/2d pl.15 imperforate colour trial in blue on wmk Orbs gummed paper, lower marginal, couple of tiny tone spots in the margin, very fine (SG £4'000) (Image)

1876 1s pl.13 imperforate plate proof printed in black on thick white card, thins most noticeable at top left nevertheless a very presentable example of this rare plate proof (SG £2'000). (Image)

1880 Wmk Spray 1s orange-brown pl.13 mint with large part original gum, a superb fresh example of this scarce stamp, cert. RPS (2013) (SG Spec. J115, £4'750). (Image)

1873-80 4d Sage-Green pl.16 JC mint nh, wonderful colour and gum, tiny black natural paper speck on ear, one lightly toned perf on gum side, very fine, cert. BPA (2013) (SG £1'400+). (Image)

1876 8d pl.13 De La Rue die proof on white glazed card (92x60mm), dated at top "June 12, 1876.", very fine and rare (Image)