Bank of England, Graham Edward Alfred Kentfield (1991-1998), £5, ND (1991), serial number R01 000004, blue and multicoloured, Elizabeth II at right, Britannia at left, reverse blue and mauve, George Stevenson and the 'Rocket',, (EPM B362, Pick 382b), in PMG holder 64 EPQ Choice Uncirculated and a very rare single-digit serial number, very difficult to source.
Estimate: £700 - £900