The taxation system introduced by Diocletian to solve the 3rd century economic crisis remained in use throughout the Early Byzantine period: bronze coin showing profile of Diocletian.
Athens, National Archaeological Museum. Ministry of Culture/Archaeological Receipts Fund.

Historia tou Hellinikou Ethnous, v. 7, Ekdotike Athenon, S.A., Athens 1976, p. 610.
© Hellenic Ministry of Culture