GREAT BRITAIN, 1840, 1p Black (1; SG 2).
Plate 1, lettered K-G, unused (regummed), large to ample margins all around, intense shade, minute repaired pinhole at top and light horizontal crease, Very Fine appearance, with 2020 P.T.S. certificate, catalogued as original gum, Scott $12,500.00, SG £12,500
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