Licinius I AV aureus of Thessalonica, AD 311-313. 

LICINIVS AVGVSTVS, laureate head right.
IOVI CONSERVATORI, Jupiter standing left, holding thunderbolt
and sceptre. Eagle with wreath at foot left.

Retrograde Sigma in right field.
Mintmark dot SM dot TS dot.

RIC VI Thessalonica 44a; Sear 15104 var (fieldmark). 

With permission of Numismatica Ars Classica.