Severus Alexander, AE of Nisibis, Mesopotamia. KAI M AR AVG ALEXANDROC C, laureate, draped bust right. CEP KOLO NECIBI MHTR (or similar), turreted, veiled and draped bust of Tyche right; star to right, ram leaping right above. SNG Cop 235. Contributed by Adil A., Sept. 2011.