The fiscus Iudaicus or fiscus Judaicus was a tax imposed on Jews in the Roman Empire after the destruction of Jerusalem and its Temple in AD 70.
A coin issued by Nerva reads fisci Judaici calumnia sublata, "abolition of malicious prosecution in connection with the Jewish tax"
Remains of the Imperial palace of Mediolanum (Milan). The imperial palace (built in large part by Maximian, colleague of Diocletian) was a large complex with several buildings, gardens, and courtyards, used for the Emperor's private and public activities, and for his court, family, and imperial bureaucracy.