No.240. Nicopolis ad Istrum. Diadumenian. Æ 16 (Assarion). A.D. 217-218. Obv: K M OPPEL ANTWNINOC. Bare bust right. Rev: NIKOPOLITWN . Serpent encircling staff. Ref: BMC 59; Moushmov 1333. Grade: good Fine, dark green and black patina. Die Axis: 360°. Weight: 3.34 g . Contributed by Henrik Agndal, May, 2003.