Constantine I (307-337). AE Follis, late 311 AD. Siscia mint. D/ Laureate bust right. R/ Jupiter standing facing, head left, chlamys hanging from left shoulder, holding thunderbolt and leaning on sceptre; eagle at feet to left; Δ to right; SIS in exergue. RIC VI 222c. AE. g. 6.29 mm. 26.00 Scarce. Pleasant portrait. Nice moustaches. EF.