The praetorian prefect was a high office in the Roman Empire established by Emperor Augustus in 2 BC. Originating as the commander of the Praetorian Guard, the office gradually acquired extensive lega
The insignia of the praetorian prefect of Illyricum, as depicted in the Notitia Dignitatum: the ivory inkwell and pen case (theca), the codicil of appointment to the office on a blue cloth-covered table, and the state carriage.