Diocletian. AE Follis. 294 AD.

IMP CC VAL DIOCLETIANVS PF AVG, laureate head right
GENIO POPV-L-I ROMANI, Genius standing left, modius on 
head, naked, except for chlamys over left shoulder (falls
 low), holding patera from which liquid flows, and 
cornucopiae

Mintmark HA

Ref: RIC VI Heraclea 12a, rated common

With permission of Roma Numismatics, Jan, 2010