GB postage stamps

Great Britain 1918 3d Violet "Postal due" (Harrison printing) imprimaturs, SGD5var. Very fine unmounted mint, with full original gum, bottom margin...

Great Britain 1912 1d bright scarlet (Varnish ink) variety, SG357var. A very fine unmounted mint example, with full original gum, of this very scar...

Great Britain 1911 5d Engraver's sketch die (Die 2 Head). A very fine cut close example printed in black on thin card. A very scarce proof of the u...

Great Britain 1911 10s blue, SG319. A superb unmounted mint, with full original gum, corner marginal "date cut" example printed at Somerset House. ...

Great Britain 1902 1d Die Proof, SG219var. A very fine and fresh example printed by De La Rue in black on white glazed card (92 x 60mm) without end...

Great Britain 1911 ½d Die proof colour trial (Die 1a), SG321var. A very fine cut close example with uncleared borders printed in pale yellowish-gre...

Great Britain 1912 1d Scarlet die proof colour trial (Stage 5), SG357var. A very fine unused example with original gum cut to stamp size and printe...

Great Britain 1964 2½d 20th International Geographical Congress (Ordinary) imprimaturs, SG651var. Superb Post Office fresh unmounted mint with full...

Great Britain 1887 9d dull purple & blue (watermark inverted), SG209wi. A very fine used example of this rare watermarked variety neatly cancel...

Great Britain 1911 Downey Head Stage 2b Die Proof. A very fine example printed in black on white glazed card. A rare specialised piece of King Geor...

Great Britain 1906 1d imperforate colour trial, SG219var. A superb unmounted mint, with full original gum, bottom marginal example printed in dull ...

Great Britain 1854 1d Deep red brown Plate R.13, SG17var. A superb unused top right hand corner marginal imperforate imprimatur lettered AL, showin...

Great Britain 1841 2d blue (watermark inverted), SGDP43wi. A very fine unused bottom left hand corner marginal example from the small trial sheet o...

Great Britain 1910 3d Hentschel colour essay. Very fine example printed in deep bright orange on white wove paper (42 x 73mm) with handstruck "SP/8...

Great Britain 1878 £1 Colour trial, SG129var. A very fine imperforate example lettered BC printed on gummed watermarked paper in mauve, overprinted...

Great Britain 1938 2s Booklet (Edition 422), SGBD12. An exceptionally fine and fresh example. A scarce King George VI stamp booklet. The Stanley Gi...

Great Britain 1875 2½d Rosy mauve (white paper) Plate 1, SG139. A very fine unmounted mint example with full original gum, lettered OF. An exceptio...

Great Britain 1912 1d Colour trial (Die 2), SG341var. A very fine unused original gum right hand marginal example printed in brownish-carmine, perf...

Great Britain 1902 2s6d Lilac (O), SG260. A very fine unmounted mint, with full original gum, bottom marginal example printed by De La Rue. Very di...

Great Britain 1840 1d Black Plate 1a, SG2. A very fine used even four margin example lettered KE, cancelled by a neat red Maltese Cross and a crisp...

Great Britain 1903 1d Canada Head Essay Colour Trial (Die 2, large head). Superb unused example printed in dull orange on thick proof card. The Can...

Great Britain 1915 10s Deep blue "Seahorse", SG411. A very fine used well centred left hand marginal example with excellent perforations neatly can...

Great Britain 1955 11d Brown-purple (watermark St Edward's Crown) imprimaturs, SG553var. A superb Post Office fresh unmounted mint, with full origi...

Great Britain 1912 'Seahorse' Master Die Proof (stage 2), SG399var. A very fine example printed in brown on soft thick card (102 x 77mm). A very ra...