Galerius Maximian Caesar 293-305 AD, Augustus 305-311 AD. AE Follis, Cyzicus mint, 311 AD. 25mm, 5.93 g.

obv: GAL MAXIMIANVS PF AVG, laureate head right. 

rev: GENIO AVGVSTI, Genius standing left, holding patera and cornucopiae, B to left, three dots vertically in right field. Mintmark MKV.

RIC VI 65, B.