This type was originally included in RIC VIII and dated to A.D. 348; but it seems most likely that these coins were struck in Constantinopolis in A.D. 330 for the dedication of the city.
Constantinopolis
Commemorative
A.D. 330
15mm 1.4gm
OBV: CONSTANTINOPOLIS- laureate and draped bust of Constantinopolis right.
REV: Pax stg. l., holding branch and transverse sceptre; P-R across fields.
RIC VIII Rome 105