Valentinian I, AE3 of Thessalonica. AD 367-375. 

DN VALENTINIANVS PF AVG, pearl-diademed bust right.
GLORIA ROMANORVM, emperor walking right, holding labarum 
and dragging a captive behind him.

Dot in left field. Dot over B in right field.
Mintmark TES. 

RIC IX Thessalonica 26a, type xiv; Sear 19455.
scarce.