Marcus Aurelius. As Caesar, AD 139-161. AR Denarius (17mm, 3.20 g, 12h). Rome mint. Struck under Antoninus Pius, AD 157-158. Bare head right / Felicitas standing left, holding caduceus and scepter. RIC III 475 note (Pius); RSC 729. Good VF, toned, flan crack.