Constantine II as Caesar (317-337).AE Follis, Treveri mint.Obv. CONSTANTINVS IVN NOB C. Laureate and cuirassed bust right.Rev. GLORIA EXERCITVS. Two soldiers standing facing one another, with spear and shield; between them, two standards. In exergue, TR•P.RIC 539.AE.g. 1.92 mm. 17.00Nice chocolate brown patinaEF.