About the Authors

Nadine Schibille

nadine.schibille@cnrs-orleans.fr

Affiliation IRAMAT-CEB, UMR 5060, CNRS, Orléans, France

Andrew Meek

Affiliation Department of Scientific Research, The British Museum, London, United Kingdom

Bendeguz Tobias

Affiliation Universität Innsbruck, Institut für Archäologien, Fachbereich Ur- und Frühgeschichte sowie Mittelalter und Neuzeitarchäologie, Innsbruck, Austria

Chris Entwistle

Affiliation Department of Britain, Europe and Prehistory, The British Museum, London, United Kingdom

Mathilde Avisseau-Broustet

Affiliation Départment des monnaies, médailles et antiques, Bibliothèque nationale de France, Paris, France

Henrique Da Mota

Affiliation IRAMAT-CEB, UMR 5060, CNRS, Orléans, France

Bernard Gratuze

Affiliation IRAMAT-CEB, UMR 5060, CNRS, Orléans, France

Competing Interests

We hereby declare that even though two of the authors (AM, CE) are affiliated with the British Museum and one author (MAB) with the Bibliothèque nationale de France, the institutions have merely provided the material and there are no competing financial, professional or personal interests that might have influenced the performance, results or presentation of the work described in this manuscript. The institutional affiliations do not alter our adherence to PLOS ONE policies on sharing data and/or materials.

Author Contributions

Conceptualization: NS AM BT CE. Formal analysis: NS AM BG. Investigation: NS AM BG. Methodology: NS AM HDM BG. Resources: CE MAB HDM. Visualization: NS AM BG. Writing – original draft: NS AM BT BG. Writing – review & editing: NS AM BT BG.