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

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

B-gamma across fields, mintmark TR. 

RIC VI Trier 191 var (officina). 

With permission of Emporium Hamburg - Auction 72, Lot 802, Nov. 2014.