Maximianus Herculius, 301-305 AD. Follis, Lyons. 9.11 g. 

IMP MAXIMIANVS P AVG, laureate, cuirassed bust left, holding 
sceptre over shoulder. 
GENIO POP-VLI ROMANI, Genius standing left by altar, modius 
on head,  naked except for chlamys over left shoulder, 
holding patera and cornucopiae.
B in right field.
Mintmark PLG

RIC VI 84b var (obv. legend and officina letter); Bastien 201.
Rated R4. 

Courtesy of M&M Numismatics Ltd, New York Sale XXV, Jan 
2011, lot 263

Note: RIC 104b lists this obverse legend and officina B but
with the bust holding sceptre and shield, in the ANS collection.