18__ Killarney, Ross Island Mine, Three Guineas, 18–, uniface proof on paper. The Old Currency Exchange, Dublin, Ireland.

O’Brien Banknote Guide: Ross Island Mine (Killarney) 1804-c.1819

Introduction: The history of mining at Ross Island in Killarney, Co Kerry, can be traced back to the Bronze Age, where several ancient metal finds from Killarney point to a significant Early Bronze Age settlement in the area. The Bronze Age Workings: The Bronze Age work camp at Ross Island provides an insight into daily…