Galerius (293-311AD)
AE follis- 6,50 gram- 27 mm, Thessalonica mint, struck 308-311AD
obv: GAL ● MAXIMIANVS P F AVG, laureate bust right
rev: GENIO AVGVSTI, Genius standing , wearing modius, holding patera, from which liquor flows and cornucopiae, mintmark .SM.TS. in exergue, officina mark r in right field
RIC 30a