Constantinopolis Commemorative AE Follis. 332-333 AD. 

Obv: CONSTANTINOPOLIS, laureate, helmeted & mantled 
bust left holding sceptre
Rev: No legend, Victory standing left on prow, 
holding transverse sceptre and leaning on shield; 
three-branched palm branch in left field, PCONST in ex. 

RIC VII Arles 369, rated R2.

With permission of Numismatik Naumann, Feb. 2016.