SEVERVS
PIVS AVG (Translation: Severus Pius Augustus. Severus, the pious emperor (Augustus).)
Reverse description
Sea-god (Triton?), naked to waist, reclining right, holding horn-shaped shell in extended right hand and rudder in left hand; at feet, sea-horse.
Reverse script
Latin
Reverse lettering
P M TR
P XVII COS III P P (Translation: Pontifex Maximus, Tribunicia Potestate Septima Decima, Consul Tertium, Pater Patriae. High priest, holder of tribunician power for the 17th time, consul for the third time, father of the nation.)