The essays in this collection consider the circulation of religious material culture in the Late Antique and Byzantine world, exploring themes such as how objects become holy and their role as physical bearers of social memory, and of ideas. Subjects include Eusebius' Vita Constantini, portable altars, objects as signifiers of miracles, ivory diptychs, the material culture of Manichaen magic, and the use of the religious gift in Byzantine diplomacy.