Diocletian, AE Follis, Aquileia, 296 AD.

Obv: IMP DIOCLETIANVS PF AVG, laureate head right (small head type).
Rev: GENIO POPV-LI-ROMANI, Genius standing left, modius on head, 
naked except for chlamys over left shoulder (falls low), holding 
patera from which liquid flows, and cornucopiae. 
No field marks. 
Mintmark AQP.
RIC VI Aquileia 23a. Common.

With permission of Roma Numismatics, October, 2010