Marcus Aurelius (Caesar, 139-161) AR Denarius (Silver, 3,39g, 18mm) Rome, 156-157. Obv: AVRELIVS CAES ANTON AVG PII F - Bare head of Marcus Aurelius to right.
Rev: TR POT XI COS II - Virtus standing front, head to left, holding parazonium in her right hand and inverted spear in her left.
References: BMC 893. Cohen 721. RIC 473.