The listing, Ancient Roman AE Coin - CONSTANTIUS II - Augustus - c.AD350 - The "Anti-Pagan" coin has ended.
This is a bronze coin issued by Constantius II, son of Constantine the Great, and Roman Emperor from AD 337 to 361. It is about 16mm across.
The obverse has a right-facing bust of the emperor w/ diadem and the legend is D N CONSTANTIVS P F AVG ("Our Lord, Constantius, Pious, Happy, and Revered").
The reverse shows two soldiers holdiung one military standard between them. The legend is GLORIA EXERCITVS ("Glory of the Army").
Please judge the grade of the coin for yourself by the pictures. The devices remain clear, with decent detail. The legends are about 90% readable.