essay Proof ½a. imperforate plate proof in black in an unissued design with no shading under the chariot, singles from the upper left and lower left corners of a sheet of twelve ? with frame lines 2½mm. from stamps and not crossing over at corners. Photo

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essay Proof ½a. imperforate plate proof in black in an unissued design with no shading under the chariot, singles from the upper left and lower left corners of a sheet of twelve ? with frame lines 2½mm. from stamps and not crossing over at corners. Photo