Bank of England, C.P. Mahon, 10 shillings, ND (1928), serial number Z10 242168 red-brown, ornate crowned vignette of Britannia at left, value at right, reverse brown, value at left and right, (EPM B210, Pick 362a), first series Z prefix, in PMG holder 66 EPQ Gem Uncirculated. Top pop on PMG census with only 3 other examples..
Estimate: £300 - £400