Image rights: wildwinds.com

Constantine II. AE follis. 330-335 AD. Cyzicus

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

Mintmark: SMK Delta

RIC VII Cyzicus 80, rated R4