SEVERVS
PIVS AVG BRIT (Translation: Severus Pius Augustus Britannicus. Severus, the pious emperor (Augustus), conqueror of the Britons.)
Reverse description
Neptune, naked except for cloak over left shoulder and right arm, standing left, right foot set on globe, holding trident in left hand.
Reverse script
Latin
Reverse lettering
P M TR
P XIX COS III P P (Translation: Pontifex Maximus, Tribunicia Potestate Undevicesima, Consul Tertium, Pater Patriae. High priest, holder of tribunician power for the 19th time, consul for the third time, father of the nation.)