The product is a specimen set of four banknotes from Northern Ireland, dating back to 1978 during the reign of Queen Elizabeth II. The notes are in denominations of £100, £10, £5, and £1, with a total number of 010438. They are uncirculated and feature the Northern Bank sub-type. These banknotes are a unique and collectible item representing the history and currency of Northern Ireland during the late 1970s. Made in the United Kingdom, they offer a glimpse into the financial system of the region during that era.