the reverse is a bit rough but the important part is clear
Constantine I
A.D. 334-335
16x17mm 2.4gm
CONSTANTI-NVS MAX AVG; rosette-diademed, draped, cuirassed
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, cross between.
In ex. AQP
RIC VII Aquileia 124