M
ANTONINVS AVG GERM SARM TR P XXXI (Translation: Marcus Antoninus Augustus, Germanicus, Sarmaticus, Tribunicia Potestate Prima Tricesima. Marcus [Aurelius] Antoninus emperor (Augustus), conqueror of the Germans, conqueror of the Sarmatians, holder of tribunician power for the 31st time.)
Reverse description
Pile of arms.
Reverse script
Latin
Reverse lettering
IMP
VIIII COS III P P S C DE SARMATIS (Translation: Imperator Nonum, Consul Tertium, Pater Patriae. Senatus Consultum. Devictus Sarmatis. Supreme commander (Imperator) for the ninth time, consul for the third time, father of the nation. Decree of the senate. Conquered the Sarmatians.)