Constantius II AD 324-361, Siscia Mint, ca. AD 350.
Pearl-diademed, draped and cuirassed bust of Constantius II right, A behind head, DN CONSTANTIVS PF AVG;
Emperor in military dress standing left, holding labarum and sceptre, behind him Victoria holding wreath above his head and palm branch, in left field A, HOC SIGNO VICTOR ERIS, in exergue _BSIS*
RIC VIII 282. Perfectly round, well centered. About extremely fine. Size: D: 22.9mm; 5.06g