Gordian III, AR Antoninianus, January 1, 240-March (?) 240, Third Issue, RomeIMP CAES M ANT GORDIANVS 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, 4.08g