The example below is a vertical pair of PP172 a 1/2d. rose-red (SG 48 or G4) Plate 6 with a G. S. S. & Co. type 50 underprint.
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The example below is a vertical pair of PP172 a 1/2d. rose-red (SG 48 or G4) Plate 6 with a G. S. S. & Co. type 50 underprint.
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