Constantine II, as Caesar. 316-337 AD. AE Follis (2.87g, 19.5mm). Heraclea mint. Struck 327-9 AD. Obv.: CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust right. Rev.: PROVIDENTIAE CAESS / ·, camp-gate surmounted by two turrets; above, star; SMHA in exergue. RIC 96. aVF.