Constantius II. AV Solidus, Antioch. AD 337-361. 20.5mm, 4.47 g. Struck AD 347-361. 

FL IVL CONSTAN-TIVS PERP AVG, Pearl-diademed, helmeted, and 
cuirassed bust facing slightly right, holding spear over 
shoulder and round shield.
GLORIA REI-PVBLICAE, Roma, head facing, and Constantinopolis, head left, seated on thrones facing one 
another, holding between them a wreath inscribed VOT-XXX-MVLT XXXX in four lines
Mintmark SMAN Delta dot. 
RIC VIII 88 / 162 (identical); Depeyrot 7/3 and 9/1 (identical). 
Estimate: 1000 US.

With permission of cngcoins.com, Auction 97, Sept. 2014.