Antoninus Pius, with Marcus Aurelius as Caesar, 138-161. Denarius (Silver, 17 mm, 3.30 g, 7 h), Rome, 140. ANTONINVS AVG PIVS P P TR P COS III Bare head of Antoninus Pius to right. Rev. AVRELIVS CAESAR AVG PII F COS• Bare-headed and draped bust of Marcus Aurelius to right. BMC 148. Cohen 21. RIC 415b. Very fine.