Clare Rowan is Associate Professor in the Department of Classics and Ancient History at the University of Warwick. Her previous books, Under Divine Auspices: Divine Ideology and the Visualisation of Imperial Power (Cambridge, 2013) and From Caesar to Augustus: Using Coins as Sources (Cambridge, 2018), have demonstrated the enormous potential of coin evidence for understanding the Roman world. She held a European Research Starting Grant from 2016-2021, Token Communities in the Ancient Mediterranean, and this volume represents the findings of this work. She is currently the ancient editor for the Numismatic Chronicle.