Constantius II, Gold solidus, Antioch, AD 347-355. 

FL IVL CONSTANTIVS PERP AVG, pearl diademed, draped, cuirassed bust right.
GLORIA-REI-PVBLICAE, Roma, holding spear, and Constantinopolis, 
holding sceptre, seated right and left, Roma's head facing, 
Constantinopolis' head turned left, holding between them a 
shield inscribed VOT XX MVLT XXX.
Mintmark SMANA

RIC 83. C. 108. Depeyrot 6/3.
With permission of TimeLine Auctions (www.timelineauctions.com), May, 2013