The Tetrarchy

Diocletian
Lugdunum Ticinum Siscia Antioch

Maximian
Ticinum Aquileia Roma Alexandria

Constantius I
Carthage Serdica Cyzik Antioch

Galerius Severus 2
Heraclea Nicomedia Roma Serdica

Galeria Valeria Maximinus II Maxentius Romulus

Licinius I Licinius I Licinius II Domitius Domitianus (usurper) Alexander (usurper)

 

Diocletian Maximian Martinian Constantine I 

Click here to view to the 12 Caesars
Click here to view the Adoptive Emperors
Click here to view the Severan Emperors
Click here to view Crisis and Decline
Click here to view Recovery of the Empire

Click here to view The Secessionist Empires

Current view the Tetrarchy
Click here to view the Constantinian Era
Click here to view The Late Roman period

Note: Most of the Emperors on this page issued coins in many more mints than pictured. This selection is arbitrary.