Watch List notes:

British Banknotes

ERROR: Bank of England, George M. Gill, £20 (2), 1988, serial numbers 29U 872727 and 20X 999750, first with only underprint on obverse, reverse fully printed, second ever-so-slightly miscut, in PMG holders 45, choice extremely fine and 64, choice uncirculated (2 notes)
EPM B355 £180-£240