Constantine II AD 317-340, as caesar, Siscia Mint, ca. AD 320-321.
Laureate head of Constantinus II right, CONSTANTINVS IVN NOB C;
VOT_V within wreath, CAESARVM NOSTRORVM around, in exergue _SIS*
RIC VII 163. Sharp reverse, porous obverse. Very fine. Size: D: 19.5mm; 3.21g