IMP
DIOCLETIANVS P AVG (Translation: Imperator Diocletianus Pius Augustus. Supreme commander (Imperator), Diocletian, the pious, emperor (Augustus).)
Reverse description
Lion, walking left, holding thunderbolt in its mouth.
Reverse script
Latin
Reverse lettering
P M TR P VIII COS IIII P P
-/-//A* (Translation: Pontifex Maximus, Tribunicia Potestate Octava, Consul Quartum, Pater Patriae. High priest, holder of tribunician power for the eighth time, consul for the fourth time, father of the nation.)