Watch List notes:

Bank of England, Leslie Kenneth O'Brien (1955-1962), specimen £1, ND (1955), red serial number A00A 000000, green and pale blue, ornate crowned vignette of Britannia at left, value at right, reverse green, St. George and the Dragon at left and right,, (EPM B273s, Pick 369cs), black SPECIMEN overprint, in PMG holder 64 Choice Uncirculated, rare.

Estimate: £900 - £1100