Unique stamps

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Great Britain 1855 1d red brown, Plate 20, imprimatur, SG24varGreat Britain 1855 1d red brown, Plate 20, imprimatur, SG24var Back
Great Britain 1855 1d red brown, Plate 20, imprimatur, SG24var
£4,750
In stock
Great Britain 1968 4d Christmas imprimaturs, SG775varGreat Britain 1968 4d Christmas imprimaturs, SG775var
Great Britain 1968 4d Christmas imprimaturs, SG775var
£5,000
Sold
Great Britain 1889 10d "Jubilee" essay, SG210varGreat Britain 1889 10d "Jubilee" essay, SG210var Back
Great Britain 1889 10d "Jubilee" essay, SG210var
£8,000
In stock
Great Britain 1840 1d black plate 1a pair on first day cover, SG2Great Britain 1840 1d black plate 1a pair on first day cover, SG2
Great Britain 1840 1d black plate 1a pair on first day cover, SG2
£125,000
In stock
Great Britain 1882 1d lilac (I.R. Official Die II), SGO3caGreat Britain 1882 1d lilac (I.R. Official Die II), SGO3ca Back
Great Britain 1882 1d lilac (I.R. Official Die II), SGO3ca
£12,000
In stock
Great Britain 1857 1d rose red Plate 65 imprimatur, SG36varGreat Britain 1857 1d rose red Plate 65 imprimatur, SG36var
Great Britain 1857 1d rose red Plate 65 imprimatur, SG36var
£6,000
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Great Britain 1847 1s pale green, SG54Great Britain 1847 1s pale green, SG54 Certificate of Authenticity.
Great Britain 1847 1s pale green, SG54
£24,000
In stock
Great Britain 1850 10d brown, SG57Great Britain 1850 10d brown, SG57 Certificate of Authenticity.
Great Britain 1850 10d brown, SG57
£11,500
In stock
Great Britain 1854 6d mauve, SG58Great Britain 1854 6d mauve, SG58 Certificate of Authenticity.
Great Britain 1854 6d mauve, SG58
£19,500
In stock
Great Britain 1854 6d purple, SG60Great Britain 1854 6d purple, SG60 Certificate of Authenticity.
Great Britain 1854 6d purple, SG60
£19,500
In stock
Great Britain 1840 1d Mulready envelope Stereo A179, SGME2bGreat Britain 1840 1d Mulready envelope Stereo A179, SGME2b Certificate of Authenticity.
Great Britain 1840 1d Mulready envelope Stereo A179, SGME2b
£75,000
In stock
Great Britain 1912 7d Trial of Eve's Wreath Design colour essay, SG387var
Great Britain 1912 7d Trial of Eve's Wreath Design colour essay, SG387var
£187.50
Sold
Great Britain 1873 6d pale buff Plate 13, SG145
Great Britain 1873 6d pale buff Plate 13, SG145
£7,500
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Great Britain 1891 £1 green Plate 2 variety, SG212a
Great Britain 1891 £1 green Plate 2 variety, SG212a
£7,500
In stock
Great Britain 1929 £1 Postal Union Congress (P.U.C.) Specimen, SG438sGreat Britain 1929 £1 Postal Union Congress (P.U.C.) Specimen, SG438s
Great Britain 1929 £1 Postal Union Congress (P.U.C.) Specimen, SG438s
£3,000
In stock
Great Britain 1840 1d Mulready Envelope Forme 1 Stereo A131, SGME2
Great Britain 1840 1d Mulready Envelope Forme 1 Stereo A131, SGME2
£13,000
Sold
Great Britain 1935 1½d Memorial essaysGreat Britain 1935 1½d Memorial essays
Great Britain 1935 1½d Memorial essays
£65,000
In stock
Great Britain 1882 ½d-1s Temporary Unified Series Essays (Set TL), SG157/170var
Great Britain 1882 ½d-1s Temporary Unified Series Essays (Set TL), SG157/170var
£120,000
In stock
Great Britain 1934 1d scarlet (Intermediate format) imprimaturs, SG440var
Great Britain 1934 1d scarlet (Intermediate format) imprimaturs, SG440var
£45,000
In stock
Great Britain 1982 15½p Information Technology error, SG1196a
Great Britain 1982 15½p Information Technology error, SG1196a
£850
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Great Britain 1924 2s6d Purple/Yellow "Postage due" imprimaturs, SGD18var
Great Britain 1924 2s6d Purple/Yellow "Postage due" imprimaturs, SGD18var
£12,000
In stock
Great Britain 1927 3d violet (Waterlow printing) imprimaturs, SG423var
Great Britain 1927 3d violet (Waterlow printing) imprimaturs, SG423var
£10,000
In stock
Great Britain 1966 3d Christmas (Phosphor) imprimatur, SG713pvar
Great Britain 1966 3d Christmas (Phosphor) imprimatur, SG713pvar
£3,500
In stock
Great Britain 1891 £1 green, SG212/a
Great Britain 1891 £1 green, SG212/a
£5,500
Sold