ROMAN EMPIRE. Constantine II, as a Caesar. 217-237 AD. Æ Follis (3.20 gm; 19 mm). Treveri, 317-318. FL CL CONSTANTINVS IVN N C Laureate, draped and cuirassed bust of Constantine II to right, seen from behind. Rev. PRINCIPI•IVENTVTIS / F - T /•ATR Constantine II, as prince of the youth, standing front in military attire, head to right, holding inverted spear in his right hand and globe in his left. RIC 172. Nice brown patina. Choice EF.