Constantine II. As Caesar, A.D. 317-337. AE centenionalis (19.45 mm, 3.09 g, 6 h). Siscia mint, struck A.D. 321-324. CONSTANTINVS IVN NOB C, laureate head of Constantine II, Caesar, right / CAESARVM NOSTRORVM / VOT / X, Vota dedication within wreath encircled by concentric legend // B SIS (radiate semicircle - sunrise?). RIC 182. EF / good VF, 95+% silvering adherent, small weakly-struck area at top of wreath.