Watch List notes:

Constantine II. As Caesar, A.D. 317-337. Æ 3 (18.2 mm, 2.96 g, 5 h). Siscia, A.D. 320-321. CONSTANTINVS IVN NOB C, laureate head right / CAESARVM NOSTRORVM around VOT X in two lines within wreath; ASIS* in exe. RIC 166. gVF.