Constantine I (307-337). AE Follis, Siscia mint, 2nd officina, 328-329 AD. Obv. CO[N]STAN-[T]INVS AVG. Laureate head right. Rev. PROVIDEN-TIAE AVGG. Campgate of six brick layers with two turrets and no doors; star above; BSIS(double-crescent). RIC VII 214. 2.94 g. 17.00 mm. Nice, full silvering. About EF.