GB postage stamps

Great Britain 1911 1d "Downey" plate proof (Die 1b), SG329var Superb imperforate right hand marginal example printed in black on thick white unwate...

Great Britain 1911 7d Henschel essay second proof. A very fine colour trial essay endorsed "Grey" in manuscript below. A scarce specialised philate...

Great Britain 1912 ½d green (Die 2, Watermark Simple Cypher), SG344var. A very fine unused B12(c) corner marginal control block of six, with origin...

Great Britain 1913 4d plate proof, SG378var. A very fine unused top left hand corner marginal block of four plate proofs printed in pale ultramarin...

Great Britain 1913 2s6d "Seahorses" colour trial, SG400var. A very fine unused imperforate example printed by Waterlow in blue on ungummed "JAS WRI...

Great Britain 1920 5s rose red "Seahorses" (23mm high, Royal cypher paper trials), SG416var. A very fine unmounted mint example with full original ...

Great Britain 1911 7d Hentschel half tone essays (Small format). Very fine group of essays in four different colours, red, blue, mauve and green. e...

Great Britain 1913 £1 dull blue green "Seahorses", SG404. A superb unused with original gum right hand corner block of four overprinted "CANCELLED"...

Great Britain 1915 2s6d Sepia "Seahorses" (seal- brown, Watermark, Inverted), SG408wi. A very fine unmounted mint, with full original gum, left han...

Great Britain 1924 5d Brown, SG425. A very fine used marginal example tied to a 'Marsh' registered envelope by a Camberwell Green S.E. circular dat...

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...