Gallienus and Valerian, standing face to face, each resting on shield; behind them, two spears.
Reverse script
Latin
Reverse lettering
P M TR
P V COS IIII P P (Translation: Pontifex Maximus, Tribunicia Potestate Quinta, Consul Quartum, Pater Patriae. High priest, holder of tribunician power for the fifth time, consul for the fourth time, father of the nation.)