Gallienus, standing between two river gods (Rhine and Maine), holding spear in right hand and parazonium in left hand.
Reverse script
Latin
Reverse lettering
P M TR
P VII COS P P (Translation: Pontifex Maximus, Tribunicia Potestate Septima, Consul, Pater Patriae. High priest, holder of tribunician power for the seventh time, consul, father of the nation.)