Constantinus I. Follis, struck AD 336-337 at Trier mint. Obv: CONSTANTINOPOLIS, helmeted, laureate and mantled bust left holding scepter across shoulder. Rev: TR•P (in exergue), Victory standing left, right foot on prow, scepter in right, resting left on grounded shield. 2,31 g, 17 mm. RIC 543