Bank of England, Cyril Patrick Mahon (1925-1929), 5, London, 30 July 1925, serial number 143/E 20623, black and white, ornate crowned vignette of Britannia top left, value in black tablet low left, printed signature of Cyril Mahon low right (EPM B215, Pick 320a), in PMG holder 40 Extremely Fine, quite rare in this grade