Constans AE follis of Thessalonica. Struck AD 347-348. 16 mm, 1.1 g.

CONSTANS P F AVG, rosette-diademed, draped and cuirassed bust right.
VICTORIAE DD AVGG Q NN, two Victories standing facing each other, each holding wreath and palm branch. 
Centering dot in centre.
Mintmark SMTSB. 

RIC VIII Thessalonica 101; LRBC 861. 

Image courtesy of Münzsammlung des Seminars für Alte Geschichte der Albert-Ludwigs-Universität, coin ID 8258.