Bank of England, Kenneth Oswald Peppiatt (1934-1949), 10 shillings, ND (1948), serial number 42O 949570, brown, ornate crowned vignette of Britannia at left, value at right, reverse brown, value at left and right (EPM B256, Pick 362c), the O prefix overlaps with B236, in PMG holder 50 About Uncirculated, and a rare first prefix for type