Constantine II, as Caesar AD 317-337. Arles Follis Æ (18mm, 2.71 g) CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left / VIRTVS CAESS, camp gate with six rows, open panelled doors with two rows of pellets and four turrets; star above, S in left field, F in right field, ARLT in exergue.