Bank of England, Percival Spencer Beale (1949-1955), specimen £1, ND (1950), serial number 00 000000, green and pale blue, ornate crowned vignette of Britannia at left, value at right, reverse green, St. George and the Dragon at left and right,, (EPM B268s, Pick 369bs), red SPECIMEN overprint, in PMG holder 50 About Uncirculated, rare.
Estimate: £800 - £1000