Watch List notes:

Bank of England, Cyril Patrick Mahon (1925-1929), specimen £10, London 9 April 1925, serial number 002/Q 00000, black and white, ornate crowned vignette of Britannia top left, 'I promise to pay to Bearer on demand the sum of Ten Pounds' in text at centre, value in black tablet low left, printed serial number, date and signature,, (EPM B216as, Pick 321as), in PMG holder 50 About Uncirculated; a piece missing low-right. Very rare.

Estimate: £6000 - £8000