This coin was struck on a large flan. RIC also lists this coin as having a dot in the left field, but it is actually in front of GLORIA.
Constantine I
A.D. 330-3
20x22mm 2.6g
CONSTANTI-NVS MAX AVG; rosette-diademed, draped and cuirassed bust right.
•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. •SMHΓ•
RIC VII Heraclea 131