Bank of England, Percival Spencer Beale (1949-1955), 1 (37), ND (1950), all serial number prefixes A--C through L--J, green and blue-mauve, ornate crowned vignette of Britannia at left, value at right, reverse green, value at left and right (EPM B268), several pairs included and a scarce first run A01J, extremely fine to uncirculated (37)