Constantine I, AE follis, Thessalonica, AD 326-328.

CONSTAN-TINVS AVG, laureate head right.
PROVIDEN-TIAE AVGG, campgate, six layers, two turrets, star above, no doors.

Dot in right field.
Mintmark SMTSB.
RIC VII Thessalonica 153; Sear 16254.

Contributed by Nick Zacny, Feb. 2017.