Bank of England 1 Pound # DT79 679752. Date first issued: 20 March 1981 Date last issued: 31 December 1984 Date ceased to be legal tender: 11 March 1988 Colour: Predominantly green. Size: 5 5/16 x 2 5/8 (135mm x 67mm) Design: Harry Eccleston. Revised version issued with design and dimensions (as Series D) but general appearance enhanced by inclusion of additional background colours. From 1983 this denomination was gradually replaced by the £1 coin.