Constantine II. As Caesar, A.D. 317-337. Æ follis (20 mm, 3.21 g, 12 h). Treveri mint, Struck A.D. 317. FL CL CONSTANTINVS IVN N C, bare-headed, draped and cuirassed bust right / PRINCIPI IVVENTVTIS, Constantine in military dress standing right, holding globe and spear, F-T//BTR. RIC 173. aEF, dark green patina, minor porosity.