Bank of England, Cyril Patrick Mahon (1925-1929), 50, Manchester, 11 October 1927, serial number 50/X 42763, black and white, ornate crowned vignette of Britannia top left, value in black tablet low left, printed signature of Cyril Mahon low right, (EPM B218f, Pick 323g), in PMG holder 40 Extremely Fine, very rare in this grade, ex Karouni Part III, 2005, lot 114