Marcus Aurelius, as Caesar, 139-161 AD. AE23 (9.01g, 6h). Bare head right / Kybele seated left, holding phiale, resting elbow on drum. Near VF, brown patina. Ex Righetti Coll., 9699.
This is actually a BMC 4 var. The rev. legend of BMC 4 does not begin with EPI as this one does (at top right). Imhoof KM 1 has this (EPI) rev. legend but a different obverse legend.