1854 1d Red-Brown pl.R3. IL imperforate imprimatur, large margins, very fine, ex The Royal Philatelic Collection of Her Majesty Queen Elizabeth II, cert. RPS (2004). (Image)

1856 1d red-brown pl.22 NJ, imperforate from Neal's steam press experiment on un-gummed paper, four margined, a magnificent example free from the usual heavy creasing as normally seen (S.G. Spec. C8(1)h). (Image)

1861 1d rose-red pl.50 BA/CB, alphabet 4, wmk LC type 1, mint n.h. block of four, very fine (S.G. Spec. C12(1)c). (Image)

1864-69 1d red pl.125 AA-BB, corner plate number block of four, with full selvage and marginal inscription, mint, mounted in margin, original gum, some toning and gum wrinkling.

1858 2d blue pl.7 BJ imperforate imprimatur, four margins, very fine and very rare, being one of 22 possible examples. (Image)

1870 1 1/2d rose red pl. 3 AH, imperf. imprimatur from the top of the sheet, showing part inscription, very fine and rare, being one of 25 possible examples. (Image)

1870 1 1/2d rosy-mauve, prepared for use but not issued, mint fresh o.g., a lovely example of this rare stamp (S.G. £8'500). (Image)

1870 1 1/2d rosy-mauve, prepared for use but not issued, mint part original gum, fine example of this rare stamp (S.G. £8'500). (Image)