Bank of England, Cyril Patrick Mahon (1925-1929), 1, ND (1928), serial number A01 000187, green and blue-mauve, ornate crowned vignette of Britannia at left, value at right, reverse green, value at left and right (EPM B212, Pick 363a), in PMG holder 66 EPQ Gem Uncirculated, a very rare low number note from the inaugural run of first issue of Series A Bank of England 1