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Great Britain 1915 5s Bright carmine "Seahorses" (Watermark Reversed), SG409wj. Very fine, well centred unmounted mint with full original gum exam...

Great Britain 1919 10s Dull grey blue, SG417var Very fine unmounted o.g. left hand marginal irregular block of four printed by Bradbury Wilkinson o...

Malaya-Straits 1921-33 Script wmk $25 purple blue/blue. lower marginal with PL2 SG240b (and co-extensive jubilee lines), from post-1926 printings i...

Great Britain 1886 4d & 9d "Jubilee" Duty Plate Die Proof. SG205/var Very fine set of two cut to size examples from the DLR, striking book, bot...

Great Britain 1880 1 1/2d Blue-green colour trail. SG167var Very fine unused o.g. example on Crown watermarked paper. Very scarce. ALERT ME WHEN A...

Great Britain 1857 2d Deep blue, SG35 PL6 Superb well centered unused o.g. horizontal pair lettered RJ-RK. A lovely multiple with deep bright colou...

Bahamas 1942 Landfall 6d olive-green and light blue, SG169/a Block of 4, left marginal block of 4 showing variety 'Columbus'(R5/2) on upper right s...

Great Britain 1869 4d Vermillion SG94s PL12 Very fine unused o.g. example lettered BK overprinted "Specimen" type 6. Believed to have been part of ...

Great Britain King Edward VII and King George VI 1936 11/2d Coronation essays, SG. Superb unused o.g. group of four imperforate essays in the colou...

Great Britain 1952 9d Bronze Green "Wilding" (wmk Tudor Crown). SG526var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM IMPR...

Great Britain 1962 2s6d-£1 "Castles" (2nd DLR printing, Wmk Multiple Crown) SG595/8var Superb unmounted o.g. set of four imperforate imprimatura wi...

GREAT BRITAIN 1952 7d Bright green "Wilding" (Wmk Tudor Crown) SG524var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM IMPRI...

Great Britain 1955 2s6d-£1 "Castles" (Waterlow printing, Wmk St Edwards Crown). SG536/9var Superb unmounted o.g. left hand marginal set of four imp...

Great Britain 1958 2s6d-£1 "castles" (1st De La Rue Printing, Wmk St Edward's Crown) SG536/9avar Superb unmounted o.g. set of four imperforate impr...

Great Britain 1955-58 1s3d Green "Wilding" (Wmk St Edwards Crown), SG555var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM I...

Great Britain 1957 1/2d-3d "Wildings" (1st Graphite Issue). SG561/6var Superb unmounted o.g. bottom corner marginal imperforate imprimatur set of s...

Great Britain 1955-58 11d Brown Purple "Wilding" (wmk. St Edward's Crown), SG553var Superb unmounted o.g. block of four imperforate imprimaturs wit...

Great Britain 1955-58 1s Bistre Brown "Wilding" (wmk St Edward's Crown). SG554var Superb unmounted o.g. block of four imperforate imprimatur with "...

Great Britain 1955-58 8d Magenta "Wilding" (wmk St Edward's Crown), SG550var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM ...

Great Britain 1955-58 10d Prussian Blue "Wilding" (wmk St Edward's Crown). SG552var Superb unmounted o.g. block of four imperforate imprimatur with...

Great Britain 1955-58 6d Deep Claret "Wilding" (wmk St Edward's Crown). SG548avar Superb unmounted o.g. block of four imperforate imprimaturs wit "...

Great Britain 1955-58 Bright Green "Wilding" (Wmk St Edward's Crown), SG549var Superb unmounted o.g. block of four imperforate imprimaturs with "NP...

Great Britain 1955-58 4d Ultramarine "Wilding" (wmk St Edward's Crown), SG546var Superb unmounted o.g. block of four imperforate imprimaturs with "...

Great Britain 1955-58 5d Brown "Wilding" (wmk St Edward's Crown), SG547var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM I...

Great Britain 1955-58 21/2d Carmine Red "Wilding" (Type 1 wmk St Edward's Crown), SG544var Superb unmounted o.g. block of four imperforate imprima...

Great Britain 1955-58 3d Deep Lilac "Wilding" (wmk St Edward's Crown), SG545var Superb unmounted o.g. block of four imperforate imprimaturs with "...

Great Britain 1955-58 11/2d Green "Wilding" (wmk St Edward's Crown), SG542var Superb unmounted o.g. block of four imperforate imprimaturs with "NP...

Great Britain 1955-58 2d Brown "Wilding" (wmk St Edward's Crown), SG543var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM I...

Great Britain 1955-58 1/2d Orange Red "Wilding" (wmk St Edward's Crown), SG540var Superb unmounted o.g. block of four imperforate imprimaturs with...

Great Britain 1955-58 1d Ultramarine "Wilding" (wmk St Edward's Crown), SG541var Superb unmounted o.g. block of four imperforate imprimaturs with ...

Great Britain 1952 1s3d Green "Wilding" (wmk Tudor Crown), SG530var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM IMPRIMAT...

Great Britain 1955-58 2d Light Red Brown "Wilding" (wmk Edward's Crown), SG543bvar Superb unmounted o.g. block of four imperforate imprimaturs wit...

Great Britain 1952 11d Brown Purple "Wilding" (wmk Tudor Crown), SG528var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM IM...

Great Britain 1952 1s Bistre-Brown  "Wilding" (wmk Tudor Crown), SG529var Superb unmounted o.g. block of four imperforate imprimaturs with "NPM IM...

Great Britain 1924 10d Turquoise-blue (wmk. Block Cypher). SG428var Superb unmounted o.g. imperforate top right hand corner marginal block of four ...

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 1936 11/2d Red-brown, SG459var Superb unmounted o.g imperforate horizontal téte-béche pair of imprimaturs with "BPMA" handstamp on re...

Great Britain 1936 1d Scarlet. SG458var Superb unmounted o.g imperforate horizontal téte-béche pair of imprimaturs with "BPMA" handstamps on revers...

Great Britain 1924-26 1/2d-1s Definitives (wmk. Block Cypher). SG418/29var Superb unmounted o.g. set of thirteen right hand marginal imperforate im...

Great Britain 1915 5s Carmine "Seahorse" (De La Printing). SG410var Very fine unmounted o.g. imperforate imprimaturs with "BPMA" handstamp on rever...

Great Britain 1936-37 1/2d-2s6d Dues (Wmk. E 8 R sideways). SGD19/26var Superb unmounted o.g set of eight imperforate imprimaturs with "BPMA" hands...

Great Britain 1950-52 21/2d pale scarlet. (New colours, Wmk upright). SG507var Very fine unmounted o.g imperforate left hand marginal block of six ...

Great Britain 1967-68 2s6d-£1 "Castles" (2nd Bradbury Wilkinson printing, No wmk), SG759/62var Superb unmounted o.g. set of five imperforate imprim...

Great Britain 1939 10s Dark Blue "Arms" High Value. SG478var Very fine unmounted o.g. top left hand corner marginal imperforate imprimatur with a "...

Great Britain 1912 1d Scarlet (Wmk Royal cypher), SG357var Superb unmounted o.g imperforate téte-béche pair imprimaturs with"BPMA" handstamp on rev...

Great Britain 1937-47 2 1/2d Ultramarine (Dark colours). SG466var Superb unmounted o.g imperforate téte-béche pair of imprimaturs with "BPMA" hands...

Great Britain 1937-47 1/2d-1s Definities (Dark colours). SG462/75var Superb unmounted o.g. set of fifteen left hand marginal imperforate imprimatur...

Rare Elizabeth Czarina of Russia 1737 signed letter Elizabeth Petrovna (1709 – 162) reigned as Empress of Russia from 1741 until 1762. She was t...