GALERIUS. 305-311 AD. AE follis. nummus 
Thessalonica mint, 2nd officina. Struck 308-310 AD. 

GAL dot MAXIMINVS P F AVG, laureate head right
VIRTVTI E-XERCITVS, Virtus advancing right, holding trophy and 
spear; 
Star in left field, Epsilon in right field.

Mintmark dot SM dot TS dot. 

RIC VI 37a. 

Courtesy of Sue, sgc.chijanofuji.com.