Marcus Aurelius. As Caesar, A.D. 138-161. AR denarius (17.8 mm, 3.24 g, 1 h). Rome mint, struck A.D. 140-144. Scarce. AVRELIVS CAESAR AVG P II F COS, bare head right / PIETAS AVG, Priestly implements: knife, sprinkler, jug, lituus, and simpulum. RIC 424A (A. Pius); BMCRE 277 (A. Pius); RSC 451. VF, irregular toning on the reverse.