Severus Alexander, AE18, 222-235, Nicomedia-BithyniaM AVP CEVH ALEXANDPOC AVLaureate, draped, cuirassed bust right, seen from behind NIKO_MH (ligate)_D_EWNOctastyle temple with flared base and horned roof, crescent in pedimentDIC NE (ligate) W in exergue18mm x 19mm, 3.04g