Watch List notes:

Bank of England, G E A Kentfield, £20 (2), experimental serial number Z13 966016 and X20 031448, purple and multicolour, portrait Queen Elizabeth II at right, seated Britannia in ornate circular frame at left, value low left and at centre, reverse, Michael Faraday, (EPM B372, B374), the Z13 extremely fine and rare, the X20 uncirculated (2).

Estimate: £150 - £200