Severus Alexander as Caesar, AE of Nicaea, Bithynia. AD 221-222. M AYR ALEXANDROC K, bare-headed, draped and cuirassed bust right. NIKAIEWN, Demeter standing left, holding corn-ears and torch. Unpublished reverse for Sev. Alex as Caesar. Miro J. collection 190808. Contributed by Miro J, Aug. 2021.