Constantine I 'the Great' (307/10-337 AD). Siscia
AE Follis (17.9mm 2.82g)
Obv: IMP CONSTANTINVS P F AVG. Laureate, helmeted and cuirassed bust right.
Rev: VICTORIAE LAETAE PRINC PERP. Two Victories standing facing each other, holding between them a shield inscribed VOT PR above an altar; ESIS in exergue.
RIC 54