Watch List notes:

Constantine I (306-337), Nummus, Cyzicus, AD 331-334; AE (g 1,92; mm 18; h 12); CONSTAN - TINOPOLI, Helmeted bust of Constantinopolis l., wearing mantle and holding sceptre over shoulder, Rv. Victory standing facing on prow, head l., holding sceptre and shield; in ex., SMKA. RIC 93.
Dark patina, good very fine.