Gordian III, AR Antoninianus, March-May (?), 240, Third Issue, RomeIMP CAES GORDIANVS PIVS AVGRadiate, draped, cuirassed bust right, seen from behindROMAE AETERNAERoma, helmeted, in military dress, seated left on shield, Victory in right hand, spear in left21mm x 23mm, 4.24g