Constantinopolis Comemmorative Issue by Constantine I, 331 AD
AE Follis, Cyzicus Mint, 19mm, 2.22 grams
Obverse: CONSTANTINOPOLI, Diademed, helmeted and mantled bust of Constantinopolis left holding spear.
Reverse: Victory standing left on prow holding scepter and grounded shield, star and SMKB in exergue.
RIC 120