Here is an unofficial coin with pretty good style and correct legends
Constantine I
A.D. 330-5
15x16mm 1.3gm
CONSTANTI-NVS MAX AV[G]; diademed, draped and cuirassed bust.
GLORIA EXERCITVS; 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. •TRS
Trier copy