City Commemorative, AE4, Rome mint, AD 340-351. 15 mm, 1.4 g.

CONSTANTI-NOPOLIS, helmeted, laureate and mantled bust of Constantinopolis left, holding sceptre over shoulder.
No legend, Victory standing facing on prow, head left, holding sceptre, and resting hand on shield. 
 
Mintmark R leaf E.

RIC VII Rome 407.

Image courtesy of Uni Freiburg, inv. 10645.