SEVERVS
PIVS AVG P M TR P X (Translation: Severus Pius Augustus, Pontifex Maximus, Tribunicia Potestate Decima. Severus, the pious emperor (Augustus), high priest, holder of tribunician power for the tenth time.)
Reverse description
Busts of Caracalla, laureate, draped, cuirassed, and of Geta, bare-headed, draped, sometimes cuirassed, facing one another.
Reverse script
Latin
Reverse lettering
AETERNIT IMPERI (Translation: Aeternitas Imperii. The eternity of the Roman Empire.)