A colour trial specimen 1978 £50 Bank of ireland note comes up at the British and Irish banknotes sale at Dix Noonan Webb next Thursday in London. It is estimated at £4,000-5,000. The Irish section includes three Ploughman notes and two £10 notes from the National Bank and the Ulster Bank. Dix Noonan Webb are planning a special Irish sale for next March in conjunction with the coin department.
UPDATE: THIS sold for £11,780 including buyers premium.