Constans, AE4, Thessalonica. AD 336-337. 

CONSTANS-PF AVG, laurel and rosette-diademed, draped, cuirassed bust right.
VICTORIAE DD AVGGQ NN, two Victories standing facing
each other, each holding wreath and palm branch.

Mintmark SMTSA.

RIC VIII Thessalonica 100.
Rated C2 (Common)