318-319 AD., Constantinus II Caesar, Rome mint, Follis, RIC 156.

Constantinus II Caesar (317-337), Rome mint, officina 1, 318-319 AD.,
Æ Follis (18-20 mm / 3,34 g),
Obv.: CONSTANTINVS IVN NOB C , laureate, draped, and cuirassed bust of Constantinus junior right (RIC bust type B4).
Rev.: ROMAE A - ETERNAE / P - R // R P , Roma seated r. on shield, shield in lap inscribed X / V.
RIC VII; 315, 156 (r3) .