Watch List notes:

Bank of England, D H F Somerset, ERROR: £20, ND (1981), serial number 36A 150145, purple and multicolour, portrait Queen Elizabeth II at right, St George and dragon centre left with seated Britannia below, reverse, William Shakespeare, an extra piece of paper at top left, (EPM B351), ghosting image on obverse at right, uncirculated and scarce.

Estimate: £200 - £250