Valentinian I AE3, Thessalonica.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right.
SECVRITAS REIPVBLICAE, Victory advancing left, holding wreath and palm. 
No fieldmarks.
Mintmark TESA. 

RIC IX Thessalonica 18a/27a, type i

from Dane's collection, Sept. 2012.