Watch List notes:

Bank of England, L.K. O'Brien, £1, ND (1955), prefixes A01K, A01L, green with Britannia at left and value at right, also including £1 ND (1960) prefix A01, 10/- ND (1961) prefix A01,
, (EPM B273, B281, B286), extremely fine (4).

Estimate: £180 - £220