1980 12p SG X943'IMPERF' COLOUR TRIAL/PLATE PROOF, U/M corner marginal, four

1980 12p SG X943'IMPERF' COLOUR TRIAL/PLATE PROOF, U/M corner marginal, four impossibly gigantic margins, with normal. We exhibit at all the major UK stamp shows. Visit our website to sign up to the newsletter for special offers.

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