Watch List notes:

Bank of England, G M Gill, £20, ND (1991), prefix A01, purple and multicoloured, Elizabeth II at right, Britannia at left, G.E.A. Kentfield, £20 (2), ND (1994), prefixes H23, AA07, Merlyn Lowther, £20 (2), ND (1999), prefix AA, (EPM B358,375,386), uncirculated (5).

Estimate: £120 - £170