Constantius II. AV Solidus, Antioch. AD 337-361. 20 mm, 4.28 g. Struck AD 355-361. 

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.
Dot in lower centre.
Mintmark dot SMANH dot. 
RIC VIII 170. 

Estimate: 300 Euros.

With permission of ArtCoins Roma Auction 9, April 2014.