Watch List notes:

British Banknotes, Bank of England, L. K. O'Brien, five pounds (7): 17 January 1955, Y71; 26 January 1955, Y79; 12 March 1955, Z19; 21 March 1955, Z26; 18 April 1955, Z49; 21 April 1955, Z52; 13 May 1955, Z71 (Dugg. B.275), good fine to very fine, a couple better (7)
(200-250 GBP)