Constantine I (307-337). AE Follis, 330-331 AD, Treveri mint. Commemorative series. Obv. CONSTANTINOPOLIS. Laureate, helmeted and cuirassed bust of Constantinopolis left, holding reversed spear. Rev. Victory standing left on prow, holding spear and leaning on shield; in exergue, TRS •. RIC 523. AE. g. 2.65 mm. 17.00 RRR. Very rare and superb. Nice chocolate brown patina. EF.