Watch List notes:

ERROR: Bank of England, L. K. O'Brien, £5, London, 10 June 1955 serial number Z95 054722, black and white, ornate crowned vignette of Britannia top left, value in black tablet lower left, extra flap of paper at lower left,(EPM B275/BE95b), of the utmost rarity with only three copies thought known, this being the finest of the three, good very fine, BYB Plate Note and an important piece for any collection of English errors.

Estimate: £3,000 - £4,000