Great Britain 1840 1d intense black, plate 1a, SG1, May Date "25th May" cover.
A very fine cover bearing a four margin 1d intense black, plate 1a, lettered "AC", neatly tied by a crisp strike of a deep-orange Maltese Cross used on 25th May 1840.
A beautiful exhibition quality display cover bearing the world's first postage stamp marking the dawn of prepaid postage and spawning a communications revolution.
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