 However, analysis of surviving single-finds (principally made since the 1970s by users of metal-detectors) shows that coins were used extensively, especially in the eastern half of England, both within and outside towns; they also circulated widely, and are frequently found far from their mint of origin.Substantial numbers of English coins have been found elsewhere in Europe, especially in Italy and Scandinavia, while English designs were influential on the emergent coinages of Ireland, Denmark, Sweden, Norway and Bohemia.At the end of the 4th century, the Roman provinces of Britain were still part of a vibrant and quite efficient economic and monetary system that stretched over the whole Roman world.