Caracalla, in military attire, on horse galloping right, holding spear at rest in hand.
Reverse script
Latin
Reverse lettering
PONTIF
TR P X COS II S C (Translation: Pontifex [Maximus], Tribunicia Potestate Decima, Consul Secundum. Senatus Consultum. [High] priest, holder of tribunician power for the tenth time, consul for the second time. Decree of the senate.)