Central Bank of Ireland. Legal Tender Notes

Signatures: (1) Muiris S. Ó Conaill. (2) P. Mullarkey.
(a) Prefixing letter system altered to use twelve of the last twenty six letters of the roman alphabet. O and Q are not used.
(b) Date & Serial numbers typeface changed.
Denominations: £5, £10, £20, £50
Replacement Notes: £5 prefix MMM, £10 prefix NNN, £20 prefix PPP, £50 prefix RRR

Date ranges: £5, 3 dates: 19.08.98-15.10.99; £10, 7 dates: 04.12.97-02.07.99;
£20, 11 dates: 23.09.97-09.12.99; £50, 1 date: 19.03.99.