Products

Great Britain 1927 3d violet (Waterlow printing) imprimaturs, SG423var. A superb unmounted mint, with full original gum, bottom marginal imperforat...

Great Britain 1927 4d grey green (Watermark Inverted), SG424wi. A superb unmounted mint, with full original gum, G27(1) corner control block of si...

Great Britain 1929 1/2d green Postal Union Congress, SG434var. A very fine unused original gum example overprinted "CANCELLED" type 33. Scarce, ...

Great Britain 1929 1/2d-11/2d postal Union Congress (wmk. inverted). SG434/6wivar Superb unmounted o.g. imperforate set of three imprimatur with "B...

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

Great Britain 1929 1½d Postal Union Congress (P.U.C.) Die Proof, SG436var. A very fine stamp size example printed in black on glazed card overprint...

GREAT BRITAIN 1929 2s Booklet (Edition No.106), SGBB13. A very fine and fresh example with advertisement pane NComB4a(3). BUY NOW: Order online, ...

Great Britain 1929 2½d blue Postal Union Congress (P.U.C.) with watermark inverted, SG437wi. A very fine unused example with original gum of this ...

GREAT BRITAIN 1929 2½d Postal Union Congress (Wmk. Inverted), SG437wi. Very fine used example of this scarce watermark variety neatly cancelled by...

Great Britain King George V 1929 £1 Postal Union Congress (P.U.C.) black, SG438. A superb unmounted mint block of four. A beautiful and rare philat...

Great Britain King George V 1929 £1 Postal Union Congress (P.U.C.) black, SG438. A superb right hand marginal unmounted mint example. A stunning qu...

Great Britain King George V 1929 £1 Postal Union Congress (P.U.C.) black, SG438. Very fine used example cancelled by a lightly struck circular date...

Great Britain 1929 P.U.C. £1 black, SG438. Very attractive and scarce used on cover example to Paris on May 31st 1929. Used Within The Month of Is...

Great Britain 1929 £1 Postal Union Congress (P.U.C.) Specimen, SG438s. A superb unmounted mint, with full original gum, example overprinted "SPECIM...

Great Britain 1929 £1 Postal Union Congress (P.U.C.) Specimen, SG438s. A superb unmounted mint, with full original gum, example overprinted "SPECIM...

Great Britain 1929 £1 Postal Union Congress, SG438. A very fine unmounted mint example with full original gum, widely regarded as one of the most s...

GREAT BRITAIN 1929 £1 Postal Union Congress, SG438. Very fine commercially used example on a flown cover from London to Buenos Aires neatly tied b...

Great Britain 1929 ½d-1½d Postal Union Congress. (Watermark Sideways), SG434/6a. Very fine unmounted mint, with full original gum, set of three. Is...

Great Britain King George V 1931 £1 Yellowish green experimental printing on Joyson paper, SG403var. Superb unmounted mint original gum left hand...

Great Britain 1932 5s booklet (Edition No. 2), SGBB34. A very fine and fresh example of this difficult and rare booklet. The SG catalogue price is...

Great Britain 1932 5s Booklet (Edition No.6), SGBB34. A very fine and fresh example of this difficult booklet, rarely seen in such pristine conditi...

Great Britain King George V 1934 1d Scarlet, SG440b. A superb unmounted mint full original gum example of this peculiar variety printed on the gum...

Great Britain 1934 1½d "Photogravure" colour trials, SG441var. A very fine unmounted mint, with full original gum, imperforate corner marginal hori...

Great Britain 1934 1½d "Photogravure" essay, SG441var. A very fine vertical pair of perforated essays printed by Harrison & Sons on "Harrison" ...