Constantine II. 330-335 AD. Cyzicus.

Obv: CONSTANTINVS IVN NOB C, laureate, draped, cuirassed bust right
Rev: GLOR-IA EXERC-ITVS, two soldiers holding spears and shields with two standards between them, o on banners.
Mintmark: dot SMK delta

RIC VII Cyzicus 96, rated R5.
Courtesy of deamoneta.com, Feb. 2010