Constantius II, 337-355 AD. AE Follis, Nicomedia mint. 18mm, 2.23 g.

obv: FLIVLCONSTANTIVSNOBC, laureate, draped, cuirassed bust right.

rev: GLOR-IA EXERC-ITVS, two soldiers holding spears and shields with two standards between them. Mintmark SMNA. 

RIC VII Nicomedia 191.