Watch List notes:

Bank of England, an experimental specimen £5, 17th October 1858, black and white, text; I promised to Manufacture Bank Note Specimens which it was Impossible to Counterfeit. 17th October 1958, For the Gov and Comp of the BANK of ENGLAND signed by P.A. Sparre, Experiment vertically at right side, scarce and unusual.

Estimate: £150 - £200