Diocletian. AE Follis. 296-297 AD. Trier. 

IMP DIOCLETIANVS AVG, laureate head right
GENIO POP-VLI ROMANI, Genius standing left, modius on head, 
naked except for chlamys over left shoulder, holding patera and cornucopiae, 

A-Gamma across fields
Mintmark TR. 

RIC VI Trier 187a. Scarce. 
Unlisted reverse legend break.

With permission of Roma Numismatics, October, 2009