Constantine I AE Follis. AD 306-337. Siscia. Obv: CONSTAN-TINVS AVG, laureate head right Rev: PROVIDEN-TIAE AVGG, Campgate, eight layers with no dots in top layer, two turrets, no doors, star above. Mintmark dot Gamma SIS dot. RIC VII Siscia 200, rated C3. Silvered I can't get this better because of the silvering. I don't want to disturb it.