Northern Ireland Northern Bank Limited 20 Pounds Commemorative Issue 175 years of Banking dated 1st September 1999 signature Don Price includes the SPECIMEN (2) comprising Pick 202a (Blake-Calloway NR124) serial number NB0339637 and SPECIMEN issue Pick 202s (Blake-Calloway NR124) serial number NB0000000 red SPECIMEN overprint diagonally at centre on obverse and reverse. The notes in purple and dark brown on multicolour underprint and feature H. Ferguson at centre right and farm tractor at lower left commemorative text and gold rectangle at upper left centre. UNC and scarce
Estimate: 100-200 GBP