GB postage stamps

Great Britain 1878 10s Greenish grey Plate 1, SG128s. Very fine and fresh unused original gum example lettered FH. Overprinted 'SPECIMEN' type 9. ...

Great Britain 1840 Mulready Die Proof, SGME1var. Very fine example of the stereotype with frame lines and "W.MULREADY R.A." and "JOHN THOMPSON" i...

Great Britain 1961 1s3d Green (Watermark Crowns, 2 Bands blue phosphor, cream paper). Superb unmounted mint with full original gum horizontal pair...

Great Britain 1911 2½d Dull blue (Perforations 15x14), SG283var. Superb unused original gum, left hand marginal horizontal pair showing variety im...

Great Britain 1841 1d Red brown Plate 10 (1d red-brown from "black plates", SG7. Pristine four margin unmounted mint original gum example lettere...

Great Britain King Edward VII 1911 2s6d Dull reddish purple, SG316. Very fine quality, original gum example printed at Somerset House. BUY NOW: O...

Great Britain 1958 2d Light red brown (Crisp print) "Dollis Hill Phosphor Trial", SG573var. Very fine perforated block of 4 on un-gummed un-waterm...

Great Britain 1884 3d Colour Trial (No Watermark. Perf 14), SG191var. Very fine unused original gum example in lilac on blue paper. Scarce. BUY N...

Great Britain 1915 2s6d Yellow brown (watermark reversed). Very fine unused original gum perfectly centred bottom right hand marginal block of four...

Great Britain 1840 1d Treasury competition essay by Robert Sievier. Robert W. Sievier was an engraver, and later a noted sculptor. The one illustra...

Great Britain 1936 1½d Red-brown, SG459var. A superb unmounted mint original gum imperforate imprimatur horizontal tête-bêche pair with 'NPM IMPR...

Great Britain King Edward VII 1911 10s Blue, SG319. A very fine unmounted mint full original gum example printed at Somerset House. GB Specialise...

Great Britain 1892 £1 green (I.R. Official), SGO16. A very fine used example lettered KB, neatly cancelled by an Account Branch/P.O. Glasgow dates...

Great Britain 1884 10s Cobalt (white paper), SG182s. A superb unmounted mint full original gum top left hand marginal block of four lettered HA-IB...

Great Britain 1902 10d Dull purple & carmine (O.W. Official) SGO35. Very fine used example neatly tied to a small piece by a Part Circular dat...

Great Britain 1884 5d Dull green, SG193. Very fine well centred unmounted mint full original gum bottom right hand corner marginal block of four l...

Great Britain 1911 3d Hentschel essay (second proof), Essay. Very fine set of three imperforate colour trials printed in brown-purple shades (Wins...

Great Britain 1884 5s Rose Imprimatur, SG176var. A superb unused original gum imperforate example lettered CF of one of the most striking and popu...

Great Britain 1854 1d Red Brown Plate 1. 181, SG17a. Very fine used left hand marginal imperforate three sides horizontal pair lettered JA-JB, nea...

Great Britain 1877 £1 Telegraphs colour trial Plate 1, T17var. Very fine quality unused example with original gum, imperforate printed in dull-ma...

Great Britain 1956 2½d Carmine-red 'Wildings' (Watermark St Edwards Crown Sideways). Superb unmounted original gum bottom marginal imperforate im...

Great Britain King George V 1929 10s 'Seahorse' Experimental plate proof, SG417var. Very fine huge margin imperforate example of the rolled impre...

Great Britain 1883 10s Grey green Plate 1 (blued paper), SG131. A very fine used well centred example lettered AH, neatly cancelled by a Manchest...

Great Britain King George V 1912 8d Trial of Eves Pillar design (22m, medal head), SG390var. Very fine unused example printed in black on think ...

Great Britain 1935 2½d Prussian Blue, SG456a Very fine and fresh unused original gum example of this ever popular 'error of colour'. Offered with t...

Great Britain 1840 1d black, Plate 11, SG2. A very fine used example with four good to large margins lettered HE, in the characteristic greyish bla...

Great Britain 1840 1d black, Plate 10, SG2. A very fine used example with four good to large margins lettered RI, cancelled by a crisp red Maltese ...

Great Britain 1884 10s Colbalt. Superb unused original gum example lettered HF, overprinted 'SPECIMEN' type 9. Scarce SG182 BUY NOW: Order online,...

Great Britain 1956 2½d Carmine-red 'Wildings' (Watermark St Edwards Crown Sideways). Superb unmounted original gum bottom marginal imperforate impr...

Great Britain King Edward VII 1902 10s Ultramarine, SG265. A very fine and fresh well centred unmounted mint example with full original gum printed...

Great Britain 1891 £1 Green, SG212var. Superb unmounted mint with full original gum, imperforate example lettered DB, overprinted 'SPECIMEN' type 9...

Great Britain 1934-35 ½d Green (Harrison printing, Watermark block cypher), SG418var. Superb unmounted original gum imperforate imprimatur top marg...

Great Britain 1877 4d sage green Plate 15, SG153. A very fine unused original gum well centred block of four lettered SD-TE. The lower pair are unm...

Great Britain 1912 1d Scarlet-vermilion, SG361. Superb unmounted mint with full original gum block of six showing variety 'printed on back'. A very...

Great Britain 1937 1d Postage Due, SGD20var. Very fine unmounted mint with full original gum top marginal block of four imperforate imprimaturs wit...

Great Britain 1883 10s Grey green Plate 1 (Watermark Anchor, blued paper), SG131var. Superb unused original gum imperforate imprimatur lettered BA,...