Watch List notes:

Bank of England, George Malcolm Gill (1988-1991), specimen £20, ND (1991), serial number A00 000000, purple, Elizabeth II at right, Britannia at left and value at centre, reverse purple, Michael Faraday in lecture theatre,, (EPM B358s, Pick 384as), red SPECIMEN overprint, in PMG holder 64 Choice Uncirculated, rare.

Estimate: £800 - £1000