Watch List notes:

Bank of England, L.K. O'Brien, £1, ND (1960), prefixes A01N, A05N, D01, K01, Y01, Z01, 01J, 01K, 01L, green, Elizabeth II at right,, (EPM B283, B282, B281), A01N, A05N, experimental issue R reverse, pressed about fine, remainder good extremely fine to about uncirculated (9).

Estimate: £180 - £220