Date first issued: 27 September 1993
Date last issued: 2000
Date ceased to be legal tender: 28 February 2001
Colour: Multicoloured (predominantly mauve-purple).
Size: 5 7/8" x 3 1/8" (149mm x 80mm)
Design: Roger Withington. Revised version issued: colour of denomination symbol ?20 in top-left hand corner changed to darker purple and additional denomination symbol, black in colour, to replace crown feature in top-right corner (point); further denomination symbol ?20, purple-grey in colour, added to top-right corner near head of Michael Faraday.