Constantius II, AV solidus, AD 347-350. 

FL IVL CONSTAN-TIVS PF AVG, pearl and rosette diademed, draped, 
cuirassed bust right.
GLORIA REI-PVBLICAE, Roma seated on the left, head facing, 
Constantinopolis seated left on the right, looking left, left 
foot on prow, holding between them a shield inscribed VOT XX 
MVLT XXX. Roma's right hand is beneath the shield. 

Mintmark SMANH. 

RIC VIII Antioch 84. 

With permission of Numismatica Ars Classica, May 2014.