Emperor, in military attire, on horse galloping right, holding spear at rest in hand.
Reverse script
Latin
Reverse lettering
P M T P
XVIII COS III P P (Translation: Pontifex Maximus, Tribunicia Potestate Octava Decima, Consul Tertium, Pater Patriae. High priest, holder of tribunician power for the 18th time, consul for the third time, father of the nation.)