Northern Ireland Bank of Ireland 10 Pounds (2) including a SPECIMEN 1971-74 ND note similar to Pick 63a (Blake-Callaway BA112) signature H.H.M. Chestnut serial number U000000 red SPECIMEN overprint diagonally on obverse and reverse and along with 1985 ND issue Pick 67b (Blake-Callaway BA112) signature D.J. Harrison LOW serial number AA000119. Both in brown on light green and pale orange underprint featuring Mercury at left and woman with harp on right on obverse and airplane, boat and bank building on reverse. The later Harrison issue with STERLING under value at centre on obverse. About UNC - UNC
Estimate: 60-120 GBP