Marcus Aurelius (Caesar, 139-161) AR Denarius (Silver, 3.09g, 17mm) Rome, 154-155.
Obv: AVRELIVS CAESAR AVG PII FIL, bare head right
Rev: T R POT VIIII COS II, Minerva standing left, holding owl and shield set on ground, cradling spear in left arm.
Ref: RIC III 463a (Pius);