Diadumenian as Caesar. Sestertius

Diadumenian as Caesar; 217-218 AD, Rome, ca. 217 AD, Sestertius, 29.08g. Cf. BMC-163, pl. 84.9. Obv: M OPEL DIADVMENIANVS CAES, Bare-headed and draped bust r. Rx: PRINC IVVENTVTIS, standing l. holding baton and scepter; two standards behind, topped with eagle and wreath; SC in exergue. Ex Curtis L. Clay Collection. Ex Elsen 145, Sept. 2020, lot 386.. EF