Diadumenian as Caesar. Sestertius

Diadumenian as Caesar; 217-218 AD, Rome, ca. 217 AD, Sestertius, 25.16g. Cf. C-15 = BM 149 note. Obv: M OPEL ANTONINVS DIADVMENIANVS CAES, Bare-headed, draped, and cuirassed bust r. Rx: PRINC IVVENTVTIS, standing l. holding scepter; two standards behind, topped with eagle and wreath; SC in exergue. Ex Curtis L. Clay Collection. Ex Naumann E85, Jan. 2019, lot 551.Struck in somewhat high relief. aVF