AE3 of Rome. Struck c.A.D.318 - 319.
Obverse: LICINIVS IVN NOB C. Laureate, draped and cuirassed bust of Licinius II facing right.
Reverse: ROMAE AETERNAE. Roma seated facing right, inscribing XV on shield set on her knees: in left field, P; in right field, R; in exergue, RT.
RIC VII : 154 (r3).