Watch List notes:

(x) Bank of England, D.H.F. Somerset, specimen £1, ND (1981), serial number AN00 000000, green on multicolour underprint, caduceus at centre, Elizabeth II at right, reverse green, Sir Isaac Newton at right, (EPM B341s, Pick 377bs), red SPECIMEN overprint twice diagonally across face of note, in PMG holder 66 EPQ GEM UNCIRCULATED and rare, rare.

Estimate: £700 - £900