City Commemorative - Authority in from to
City commemoratives are small bronze coins stucj by Constantine I 'the Great' and his sons to the effect of commemorating the old capital, Rome, and the new capital, Constantinople, and to symbolize the equality of the two cities and the new importance of Constantinople to the empire.

Most common types are the CONSTANTINOPOLIS with a Victory on Prow reverse, and the VRBS ROMA with a Wolf & Twin reverse.
City Commemorative
City Commemorative of

(1) City Commemorative 330-333 A.D.
Obverse: CONSTANTINOPOLI, laureate and helmeted bust of Constantinopolis left, sceptre over shoulder
Reverse: Victory standing left, foot on the prow of a ship, holding sceptre and leaning on shield,
Ref: RIC 92
(2) City Commemorative 306-337 A.D.
AE unit Siscia
Obverse: VRBS ROMA - Helmeted with plume bust of Roma left, cuirassed.
Reverse: Rev: no legend - Wolf and twins Romulus and Remus, two stars above.
Ref: RIC VII 240
(3) City Commemorative 330 - 331 AD
AE unit Lugdunum
Obverse: VRBS ROMA, bust left of Roma in plumed helmet and imperial mantle
Reverse: she-wolf standing left, sucking twins, 2 stars above. Mintmark SLG
Ref: RIC VII Lyons 242; Sear 16490
(4) City Commemorative 330 - 331 AD
AE unit Unknown mint
Obverse: VRBS ROMA, bust left of Roma in plumed helmet and imperial mantle
Reverse: she-wolf standing left, sucking twins, 2 stars above. Mintmark SLG
Ref: None provided