This product is a set of four uncirculated Specimen banknotes from Northern Ireland, issued in 1978. The denominations included in the set are £100, £10, £5, and £1. These banknotes belong to the Bank of Ireland. The notes are from the P-64bs, P-63bs, P-62bs, and P-61bs series and have serial numbers starting with 010740. Made in the United Kingdom, this set is a valuable addition to any collection of British banknotes.