The tetrarchs Diocletian, Maximian, Constantius Chlorus and Galerius, in military dress, in pairs, sacrificing over a tripod before city enclosure with six turrets. R in exergue.
Reverse script
Latin
Reverse lettering
VIRTVS MILITVM
R (Translation: Virtus Militum (Manly Virtue/Bravery of the Soldiers))