(x) Central Bank of Ireland, Error £50, 1977, serial number 01A007834, purple on light yellow and green underprint, portrait Lady Lavery at left, value in each corner and at centre, ornate border, reverse, River God,, (PMI LTN 66), watermark at right shifted down, in PMG holder 66 EPQ Gem Uncirculated, rare in such high grade.
Estimate: £800 - £1000