GB postage stamps

Great Britain 1913 £1 Green "Seahorses", SG403. A very fine unmounted mint example with full original gum. Well centred example printed by Waterlow...

Great Britain 1934 1½d "Photogravure" large format colour trials, SG441var. Very fine unused original gum set of four bottom left hand corner margi...

Great Britain 1912 4d Die Proof of Eve's Wreath Design, SG379var. Very fine example printed in black on this white glazed card (68 x 78mm) dated '1...

Great Britain 1935 2d Orange (Intermediate format) variety, SG442var. Superb unmounted mint with full original gum imperforate horizontal pair. Clo...

Great Britain 1913 5d Die proof, SG381var. Very fine example cleared example printed in black on thin white glazed card (71x78mm) dated in manuscri...

Great Britain 1922 9d Olive green (watermark Royal cypher), SG393a var. Superb unmounted mint with full original gum imperforate right hand margina...

Great Britain 1915 2s6d Yellow-brown "Seahorses" (Watermark Reversed), SG406wj. Very fine and fresh unmounted mint with full original gum top left...

Great Britain 1914 2d Postage Due die proof, SGD4var. Superb uncleared example printed in black on white glazed card (68x78mm) numbered "123" on re...

Great Britain 1914 1d Carmine (Watermark Sideways inverted) Postage Due, SGD2var. Very fine unmounted mint with full original gum bottom right hand...

Great Britain 1913 £1 Dull blue-green, "Seahorses", SG404var. Superb perfectly centred unmounted mint with full original gum example printed by Wa...

Great Britain 1912 1d Bright scarlet (Watermark Crown, Die 2), SG341B. The unique unmounted mint with full original gum "B12" control block of six ...

Great Britain 1911 5d Engraver's sketch die (Die 2 Head). Very fine cut close example printed in light blue on proof paper. A very scarce proof. Fi...

Great Britain 1911 2d Engravers Sketch Die for Unissued Value (Die 1 head), without value. Very fine uncleared die proof printed in black on glazed...

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

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 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...

Great Britain 1912 3d violet, SG375s. A very fine unmounted mint, with full original gum, example overprinted "SPECIMEN" type 23. A rare King Georg...