Bank of England, Leslie Kenneth O'Brien (1955-1962), £5 (1957), serial number A01 476196, blue and multicoloured, helmeted head of Britannia at left, St. George and the Dragon low centre, reverse blue, lion and key at centre,, (EPM B277, Pick 371), in PMG holder 64 Choice Uncirculated, a scarce first run and a lovely note.
Estimate: £350 - £450