1c Express, Red, Imperforate (R1a). Bottom sheet margin block of nine with "Engraved by Butler & Carpenter Philada" and "Plate No. 1", large margins all around, original gum, lightly hinged, top right stamp small thin spot, Very Fine, a rare and desirable multiple showing plate number 1, ex Joyce and Wampler, Scott value as block of four, two pairs and single used condition

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