Watch List notes:

(x) ERROR: Bank of England, G.M. Gill, £50, ND (1988), serial number D61 916979, brown on multicolour, Elizabeth II at right, phoenix at centre, Britannia at low left, reverse brown, Christopher Wren at right, St Pauls Cathedral at left(EPM 356), extra paper, very fine.

Estimate: £220 - £280