Constantine II as Caesar . AE 3, Reduced Follis

Constantine II as Caesar ; 317-337 AD, Reduced follis, Rome, 318-9 AD, 2.50g. RIC-156, officina T=3 (r3); C-171 (3 Fr.). Rx: ROMAE A - ETERNAE Roma seated r. on shield inscribing X / V on shield that rests on her knee, P - R in field, RT in exergue. Scarce and interesting type struck at the mint of Rome only, referring to vows for Constantine I's safe completion of fifteen years of rule.. EF