Watch List notes:

Bank of England, Cyril Patrick Mahon (1925-1929), specimen 10 shillings, ND (1928), serial number A00 000000, brown, ornate crowned vignette of Britannia at left, value at right, reverse brown, value at left and right,, (EPM B210s, Pick 362as), paper-clip mark at left, black SPECIMEN overprint, in PMG holder 58 Choice About Unc., rare.

Estimate: £700 - £900