Watch List notes:

Constantine I (307-337). AE Follis, Siscia mint. Obv. IMP CONSTANTINVS PF AVG. Laureate head right. Rev. IOVI CONSERVATORI. Jupiter standing facing, head left, holding thunderbolt and sceptre; to left, wreath; to right, S; in exergue, SIS. RIC VI 227 c var. AE. g. 4.27 mm. 25.00 R. Rare. Green brown patina, traces of silvering. Good VF/VF.