Watch List notes:

Bank of England, B.G. Catterns, £50, Bristol 12 December 1931, prefix 63X, black and white, ornate crowned vignette of Britannia top left, 'I promise to pay the Bearer on demand the sum of Fifty Pounds', value in black tablet low left,, (EPM B231b), in PMG holder, 58 Choice About Uncirculated, a superb high-denomination Bristol branch note, only one other example believed extant thus of the highest raarity.

Estimate: £9,000 - £12,000