This coin has a spelling error on the obverse of CONSTANTINS. I at first thought that it must be an unofficial coin, but the style is perfectly fine compared to other Cyzicus examples; but the diadem tie looks odd. So perhaps just sloppy engraving or unofficial.
Constantine II
A.D. 332- 333
16x18mm 2.6gm
CONSTANTINS NOB C; pearl-diademed, draped and cuirassed bust.
GLOR-IA EXERC-ITVS; Two soldiers helmeted, stg. facing one another, reversed spear in outer hands, inner hands on shields resting on the ground; between them two standards.
in ex. dot SMKA
cf. RIC VII Cyzicus 98
