328-329 AD., Constantius II., Nicomedia mint, Follis, RIC 158.

Constantius II. Caesar, Nicomedia mint, officina 6, 328-329 AD.,
Æ Follis (18-19 mm / 2,65 g),
Obv.: FL IVL CONSTANTIVS NOB C , laureate, draped and cuirassed bust left.
Rev.: PROVIDEN - TIAE CAES • / S M N S , campgate with two turrets, no doors, star above, six stone layers.
RIC VII, 626, 158 .