Great Britain 1861 1d rose red Plate 51 (Alphabet IV), SG42 Malaysia and Malaysian States stamps Imprimaturs represent the first stamps

Imprimaturs represent the first stamps printed from the approved and finished printing plate

As is common of documents from this time

This is an extremely rare watermark variety and the only recorded used example in existence

Great Britain Crown George II (1727-1760)

Great Britain 1861 1d rose red Plate 51 (Alphabet IV), SG42 Malaysia and Malaysian States stamps Imprimaturs represent the first stampsGreat Britain 1861 1d rose red Plate 51 (Alphabet IV), SG42. A very fine and fresh unused, with original gum, block of four lettered 'NG OH'. Lovely colour. Accompanied with a 1984 British Philatelic Association (BPA) Certificate of Authenticity. In 1856, the letters on these stamps were engraved by hand on the plate as an experiment instead of being punched. The experiment was abandoned and punching was again restored from plate 52. Plate 51 was not