Constantine I, AE follis, Thessalonica. AD 328.

CONSTAN-TINVS AVG, rosette-diademed, draped and cuirassed bust right.
PROVIDEN-TIAE AVGG, campgate with base, six rows with dots in the 
top row, two turrets, no doors, star above.
Epsilon in right field
Mintmark SMTS

RIC VII Thessalonica 169. 
Rated R1.

Contributed by George Clegg (biggyg2), March, 2014