Watch List notes:

Bank of England, D. H. F. Somerset, £1, ND (1981-84), serial number A01 000054, green, pale yellow-orange and blue, caduceus at centre, Elizabeth II at right, reverse green, Sir Isaac Newton,, (EPM B337, Pick 377a), in PMG holder 65 EPQ Choice Uncirculated, low number.

Estimate: £450 - £500