Purse of medieval silver coins from royal shipwreck revealed by X-ray microscale Computed Tomography (µCT) scanning

• DOI: 10.1016/j.jasrep.2022.103468
• Publication Date: 2022-05-16T23:33:27Z
• Authors: Gitte T. Ingvardson; Dirk Müter; Brendan P. Foley
• Keywords: Ruler; Possession (linguistics)

We present the archaeological discovery and microscale X-ray Computed Tomography (µCT) scanning of a silver coin purse lost in medieval shipwreck while king who issued many coins was aboard. The find demonstrates that shipwrecks are extraordinary repositories historical information, this case providing insight into one most important dramatic events Scandinavia. In summer 1495, Gribshunden, flagship King Hans, ruler Denmark Norway, burned sank Baltic Sea en route to political summit Sweden. identified impart direct evidence Hans' establishment new mints increase amount currency circulation, his decision not recall debase existing coins. These were essential elements comprehensive strategy for consolidating Nordic union constructing nation. recovered too fragile mechanical separation, but µCT allowed full or partial identification 82% concreted purse. Our investigations suggest likely personal possession high-ranking trusted person king's entourage. Further, composition illuminates politics monetary policy northern Europe.