IMP
CAES P HELV PERTIN AVG (Translation: Imperator Caesar Publius Helvius Pertinax Augustus. Supreme commander (Imperator), Caesar, Publius Helvius Pertinax, emperor (Augustus).)
Reverse description
Janus, with two heads facing left and right, draped, standing front, holding sceptre in right hand and resting left hand on hip.
Reverse script
Latin
Reverse lettering
IANO
CONSERVAT (Translation: Iano Conservatori. Janus, the preserver.)