Reconsidering the history of studies on Islamic tokens and jetons

This contribution offers a review of the history of the studies devoted to Islamic tokens and jetons and explores the terminology connected to them. Latin and Italian sources are reconsidered in order to reassess the contributions of the first scholars who dealt with glass discs and to throw new light on the different hypothesis made about these discs in the 18th and 19th century through unpublished manuscript sources, especially letters