Watch List notes:

Constantine II as Caesar (317-337). AE Follis, Siscia mint, 328-329 AD. D/ CONSTANTINVS IVN NOB C. Laureate head right. R/ PROVIDENTIAE CAESS. Camp gate, two turrets, no doors, star above; in exergue, ЄSIS double crescent. RIC 216. AE. g. 3.17 mm. 19.00 EF.