Constantine II, AE follis, Thessalonica. 317-318 AD.

CONSTANTINVS IVN NOB CAES, laureate, draped, cuirassed bust right.
CLARITAS-REIPVBLICAE, Sol standing left, chlamys across 
left shoulder, holding globe, right hand raised.

Mintmark dot TS dot A dot.

RIC VII Thessalonica 23, rated R4

Sold on ebay by ancient-numistmatic-coins, June 2012.