Marcus Aurelius, as Caesar (AD 139-161). Rome AR Denarius (18,4mm 3,1g) Obv: AVRELIVS CAESAR AVG PII F COS. Bare head of Marcus Aurelius to right. Rev: PIETAS AVG Knife, sprinkler, jug, lituus, and simpulum. BMC 278; Cohen 451; RIC 424a