Constantine II, AE19 follis. Nicomedia. AD 328-329.

CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust right.
PROVIDEN-TIAE CAES dot, campgate, two turrets, six layers, 
star above, no doors.

Mintmark SMNE.

RIC VII Nicomedia 157; Sear 17249
Rated R3.

With permission of cngcoins.com, auction 224, Lot 579, Dec 2009.