Roman Empire. Constantius II, 337-361 AD. AE Follis. Constantinople Mint. Captives.
 
Obv: D N CONSTANTIVS P F AVG, diademed, draped and cuirassed bust of Constantius left holding globe. Rev: FEL TEMP REPARATIO, Constantius standing left holding standard inscribed with Chi Rho, two bound captives before, CONSA in exergue.
 
A darker brown tone.