Union Bank of Scotland Ltd, £20, 30 April 1942, B 84007, Hird-Wilson signatures (Douglas 39c-1) Good very fine; along with an assortment of Banknotes books including: W. Kranister, 'The Moneymakers', 1988; Charles Rosner, 'The World of De la Rue', 1963; Lorna Houseman, 'The House That Thomas Built, The Story of De La Rue', 1968; Lance K. Campbell, 'Prisoner of War and Concentration Camp Money of the 20th Century', 1993 (3); Bank of England, 'The New £5 Note and George Stephenson', 1990; T.F.A. van Elmpt, 'British Armed Forces'; Czechoslovak Ministry of the Interior, 'Report on Forgery in Sachsenhausen Concentration Camp', 1981; Clive Goodacre, 'The Search for the Inimitable Note', 1982; Bank of England, 'The New £10 Note and Charles Dickens', 1992; Bank of England, 'The New £20 Note and Michael Faraday', 1991; Bryan Burke, 'Nazi Counterfeiting of British Currency during World War II', 1987; James Douglas, '20th Century Scottish Banknotes', 1986; Raymond S. Toy, 'World War II Allied Military Currency', 1965; Harry Rosenberg, 'Die Banknoten Des Deutschen Reiches ab 1871', 1973; BBC transcript of 'Horizon, Making an Honest Fiver', 1990; D. M. Miller, 'Bank of England and Treasury Notes 1694-1970', 1970; Virginia Cowles, 'The Great Swindle', 1960.