GENIO POPVLI ROMANI portrait coins of the tetrarchies, arranged by mint
Struck c. 294-306.

   (To see them arranged by emperor, use these links: Diocletian, Maximian, Constantius, Galerius, or other later emperors.)

Click the image to see both sides of the coin.

All the mints for this typeLondon, Treveri (Trier), Lugdunum (Lyons), Ticinum, Aquileia, Rome, Siscia, Serdica, Thessalonica, Heraclea, Nicomedia, CyzicusAntioch, Alexandria. [Carthage and Ostia are also in RIC volume VI, but neither minted this type.]

Note:  This page lacks images of at least a dozen common emperor and mint combinations. It does not mean they are rare; it just means I don't happen to have that combination to show here.  Click here for a table listing all emperor and mint combinations

What's new?  2023, Feb. 22: Constantius as Caesar from Aquileia
    2023, Jan. 30:  Galerius as Augustus from Cyzicus
    2022,  Nov. 3: Coins from the rulers after the First Tetrarchy have been added (by mint, right after the coins of the First Tetrarchy rulers) .  
    2022, August 30:  Constantius as Caesar at Heraclea. 2022, August 16: Maximian at TrierMaximian at Cyzicus. 2022, August 6: Maximinus II at Antioch.


          London, Diocletian           London, Diocletian                 London, Diocletian               London, Maximian 
              London, Maximian               London, Maximian               London, Constantius               London, Galerius

London, rulers after the First Tetrarchy:

       Severus II, London, as Caesar      Maximinus II, London, as Caesar   


                Diocletian, Trier                 Diocletian, Trier               Diocletian, Trier          Maximian, Trier
                Maximian, Trier          Maximian, Trier, left-facing                Constantius, Trier                    Galerius, Trier

Trier, rulers after the First Tetrachy:

         Severus II, Trier, as Caesar         Maximinus II, Trier, as Caesar          Constantine, Trier, as Caesar


Lyons (Lugdunum):

                 Diocletian, Lyons           Maximian, Lyons               Constantius, Lyons            Constantius, Lyons
                 Galerius, Lyons                  Galerius, Lyons

Lyons, rulers after the First Tetrarchy.

        Severus II, Lyons, as Caesar


             Ticinum, Diocletian                 Ticinum, Maximian               Ticinum, Constantius                 Ticinum, Galerius     

Ticinum, rulers after the First Tetrarchy.

Constantine, Ticinum, as Augustus


              Diocletian, Aquileia               Maximian, Aquileia               Constantius, Aquileia


              Diocletian, Rome                Maximian, Rome                 Constantius, Rome                Constantius, Rome
                 Galerius, Rome

Rome, rulers after the First Tetrachy:

 Maximinus II, Rome, as Augustus


               Diocletian, Siscia                 Maximian, Siscia


Serdica(Note:  RIC says Serdica opened "c. 303-4" with personnel from Thessalonica so it did not mint these for as long as the other mints did.)

             Diocletian, Serdica
              Maximian, Serdica               Constantius, Serdica       Galerius as Caesar, Serdica       Galerius as Augusutus, Serdica

Serdica, rulers after the First Tetrarchy:   

                Severus II as Caesar                 Maximinus II as Caesar

Thessalonica(RIC says it opened c. 298/9 and closed c. 303 when it was moved to Serdica, closer to the Danube border.)

            Diocletian, Thessalonica
          Maximian, Thessalonica             Maximian, Thessalonica             Galerius, Thessalonica             Galerius, Thessalonica


              Diocletian, Heraclea            Maximian, Heraclea    Constantius as Caesar, Heraclea    Constantius as Augustus, Heraclea
               Galerius, Heraclea                   Galerius, Heraclea

Heraclea, rulers after the First Tetrachy:

      Severus II, Heraclea, as Caesar   Maximinus II, Heraclea, as Caesar     Constantine, Heraclea, as Caesar


             Diocletian, Nicomedia              Maximian, Nicomedia              Constantius, Nicomedia      Galerius, Nicomedia, as Caesar
   Galerius, Nicomedia, as Augustus

Nicomedia, rulers after the First Tetrarchy: 

  Maximinus II, Nicomedia, as Caesar


             Diocletian, Cyzicus              Maximian, Cyzicus              Maximian, Cyzicus      Constantius as Augustus, Cyzicus 
Galerius, as Augustus, Cyzicus Severus II, as Augustus, Cyzicus



           Diocletian, Antioch            Diocletian, Antioch                Maximian, Antioch               Constantius, Antioch
    Constantius as Augustus, Antioch               Galerius, Antioch       Galerius as Augustus, Antioch             Maximinus II, Antioch
Diocletian, Antioch

Antioch, rulers after the First Tetrachy: 

        Severus II, Antioch, as Caesar     Maximinus II, Antioch, as Caesar



           Diocletian, Alexandria             Diocletian, Alexandria                    Diocletian, Alexandria 
         under Domitius Domitianus      
             Maximian, Alexandria  
             Maximian, Alexandria                Maximian, Alexandria             Constantius, Alexandria                      Constantius, Alexandria           
                 Galerius, Alexandria

Alexandia, other rulers: 

   Domitius Domitianus, Alexandria

Constantine, Alexandria
as Augustus
(This type is smaller)

Licinius, Alexandria,
as Augustus
(This type is smaller)


Distinguishing Maximian from Galerius.  Using only the legend this can be tricky. Both used "MAXIMIANVS" in their legends. Here is a page explaining the differences in legends. Study the page you are on and you can see there is a difference in their portraits. 

Go to the GENIO POPVLI ROMANI pages organized by emperor.

Go to a page of links to pages about coins of the tetrachies

Go to the Table of Contents of the educational site.