Moesia Inferior, Nicopolis ad Istrum. Diadumenian. As Caesar, A.D. 217-218. AE 17 (17.2 mm, 2.95 g, 1 h). K M OΠΠ M A ANTΩNINOC, bare-headed, draped bust of Diadumenian, Caesar right / NIKOΠO-ΛITΩN, serpent-entwined staff of Asklepios. AMNG 1882; Megaw NIC1.2a; . VF, Green patina with scant deposits in recesses.