British, Irish and World Banknotes

Northern Bank Limited, obverse and reverse proofs for £1 (2), ND (1970), first; obverse and reverse as issued, no signature or serial number, second; obverse multicolour underprint, reverse as issued, both with extra watermarked paper, first good extremely fine to about uncirculated, second about uncirculated (2 notes)
PMI NR88, Pick 187 for type £340-400