Great Britain 1840 1d Black Plate 2, SG2Great Britain 1840 1d Black Plate 2, SG2. A very fine and fresh mint four margin example with original gum, lettered 'SI' clearly showing a shifted transfer variety at top characteristic of the "S" row on plate 2. Plate 2 was first registered on 22 April 1840 and was therefore amongst the first penny blacks issued on 6th May 1840. Plate 2 mint examples are very rare. A rare mint example with original gum of the worlds first postage stamp and the most