Constantius II (A.D. 337-361), AR Siliqua, 2.96g., Constantinople, A.D. 340-51, diademed, draped and cuirassed bust right, DN CONSTANTIVS AVG, rev. FELICITAS REIPVBLICE around, VOT / XV / MVLT / XX within wreath, C. in exergue, (RIC 58; C 68), edge marks, very fine, extremely rare