UK 1955-63 banknotes signed O'Brien, a selection comprising Ten Shillings 1955, serial BZ, and 1963 serial D (UNC) & E; One Pound 1955 serial BL, CK, NJ (UNC) and XK; 1957 Five Pounds serial B (near UNC) and D; and 1961 Five Pounds serial H (3, first series) & J. Also a 1955 Ten Shillings in poor condition. Most with pressed creasing. (13).