Great Britain 1840 1d black, Plate 10, SG2Great Britain 1840 1d black, Plate 10, SG2. A very fine used example with four good to large margins lettered RI, cancelled by a crisp red Maltese Cross, showing re entry and long tailed R. An attractive example of this rare printing plate variety of the world's first postage stamp. The penny black represents a real landmark in British and worldwide history. The SG catalogue value is 1,500. GB Specialised Catalogue Number: AS66e h. BUY NOW: Order