Diadumenian (218 AD). AE Sestertius. Obv. M OPEL ANTONINVS DIADUMENIANVS CAES. Bare-headed, draped and cuirassed bust right. Rev. SPES PVBLICA SC. Spes walking left, holding flower and raising her skirt. RIC 219. C. 23. AE. g. 23.37 mm. 31.00 RR. Very rare. Green-brown patina. VF.