Constantine I AE3, 328-329 AD, Nicomedia CONSTANTI-NVS MAX AVG, rosette-diademed, draped, cuirassed bust right PROVIDEN-TIAE AVGG, campgate, 2 turrets, 8 layers, star above, no doors. Mintmark: SMNA RIC VII Nicomedia 156, rated R5 (highest rarity) Contributed by Joe Guerra, July 2009