O

Helmeted, cuirassed and draped head of Constantius II facing, holding spear in right hand behind shoulder and shield in left

FL IVL CONSTAN-TIVS PERP AVG

R  

Roma and Constantinopolis seated facing each other holding shield inscribed VOT / XXX / MVLT / XXXX between them. Constantinopolis with foot on prow

GLORIA - REI-PVBLICAE / VOT / XXX / MVLT / XXXX