Constantine The Great (307/10-337) AE Follis (Bronze 2,14g 18mm) Constantinople.
Obv: CONSTANTINVS MAX AVG, Diademed, draped and cuirassed bust right.
Rev: GLORIA EXERCITVS / CONSA, Two signa flanked by two soldiers standing facing, heads turned inwards; each holding spear and resting on shield set on ground.
Ref: RIC 59.