1855-57 No Corner Letters. 1855-57 Wmk Medium Garter 4d carmine with "SPECIMEN" type 2 vertically, mint l.h. left marginal, two surface faults, scarce (SG Spec. J48(2)t, £1'050). (Image)

1865-67 9d Straw pl.4, wmk Emblems, mint o.g., fine and scarce stamp with fresh colour (SG £4'800) (Image)

1867-83 £1 brown-lilac pl.1 AH-BH colour trial in vertical imperf. pair from the top of the sheet showing part inscription "E ONE", each overprinted "SPECIMEN" type 9, large part original gum; very scarce especially in the issued colour; a most attractive piece. (Image)

1867-83 10s De La Rue die proof with uncleared corner squares and plate number circles mounted in a small sunken frame, rare (S.G. £3'000). (Image)

1867-83 £5 Orange BM on white paper with neat Glasgow cds, a very fine and desirable stamp (SG £3'500) (Image)

1867-83 £5 Orange, BL, neatly cancelled by Glasgow c.d.s.; blue crayon mark reduced at right, otherwise a fine example of this iconic high value. Brandon Certificate (2021) (Image)

1873-80 1s orange-brown pl. 13 with INVERTED WATERMARK, neat Grey-Town (Nicaragua) cds, very fine (S.G. £1'800). (Image)

1876 8d orange Pl. 1 AK-BL marginal block of four overprinted "SPECIMEN" from the upper right of the sheet showing plate number and marginal inscription "4 shillings per row of 6/ 1 pound per sheet of 30"an extremely rare and attractive multiple. R.P.S. Certificate (1987). (Image)

1880-81 Provisional Issue and 1881 1d Lilac. 1880-81 Provisional Issue 1/2d to 5d set of five imprimaturs, all with large part o.g. and four margins, a scarce set to assemble (Image)

1880-83 3d rose pl. 21 GB-HC mint block of four, some small faults though a scarce multiple of fine appearance (S.G. Spec. £3'000). (Image)

1883-84 10s ultramarine used with neat rubber circular hs of Guernsey, very fine, plus 2s6d with blurred cancellation and 5s with faint crease. (Image)

1888 £1 Brown-Lilac, wmk Orbs, with Birmingham(?) cds and boxed G.P.O. hs, very fine and fresh (SG £4'500). (Image)

1888 Wmk Three Orbs £1 brown-lilac JB with "SPECIMEN" type 11 overprint, mint n.h., faint gum discolouration, indentation at top by "ST", otherwise fine (SG £6'800). (Image)

1899 Jubilee 2d colour trial with purple duty plate and green head plate, mint n.h., fine and fresh. (Image)

1899 Jubilee 2d colour trial with orange-brown duty plate and green head plate, mint l.h., very fine and scarce, ex "Aureum". (Image)

1900 1/2d Blue-Green colour trial in the issued colour on gummed unwatermarked paper, fine and scarce (Image)