Constantius II (Augustus, 337-361) AV fourree solidus (Gold and bronze, 21mm, 4.51g) Antioch, 3rd officina, 347-355.
Obv: FL IVL CONSTAN-TIVS PERP AVG, pearl-diademed, draped and cuirassed bust of Constantius II right, seen from front
Rev: GLORIA-REI-PVBLICAE, Roma (on left) seated facing, spear in left hand, and Constantinopolis (on right) seated left, scepter in left hand, right foot on prow, jointly holding with their right hands between them shield inscribed VOT / XX / MVLT / XXX; SMANΓ in exergue.
Ref: RIC VIII 83.