Antoninus Pius, with Marcus Aurelius as Caesar. AD 138-161. AR Denarius (18mm, 3.02 g, 12h). Rome mint. Struck circa AD 141-143. Bare head of Antoninus Pius right / Bareheaded and draped bust of Marcus Aurelius right. RIC III 415b; RSC 21. VF, toned, some porosity, a few light scratches, hairline flan crack.