Marcus Aurelius (as Caesar), AE20 of Sardes, Lydia. AD 139-161. 4.2 gr. Magistrate Neikomachos. M AYRHLIOC KAICAR YPA, bare-headed, draped bust right. EPI NEIKOMACOY CARDIANWN, winged caduceus. BMC 143-144 With permission of Pecunum, Gitbud & Naumann, auction 14, Feb. 2014.