Constantine I the Great AD 307-337, Nicomedia Mint, ca. AD 328-329.
Pearl-diademed head of Constantinus I right, CONSTANTINVS AVG;
Campgate with two turrets and star between them, PROVIDENTIAE AVGG, in exergue SMN_
RIC VII 153. About extremely fine. Size: D: 18.9mm; 3.17g