Diocletian, AE follis, Trier, contemporary imitation. 28 mm, 10.80 g. 

IMP DIOCLETIANVS AVG, laureate head right.
GENIO PO-PVLI ROMANI, Genius standing left, by altar, modius on head, naked except for chlamys over left shoulder, holding patera and cornucopiae.

Mintmark: TR.

Imitation of RIC VI Trier 511 note 3, but with different obv. legend and mintmark TR only.
Notinric 6tre-163-2.

Contributed by Andreas Able, Jan 2020. 
Ex Leu Numismatik Auction 10, Lot 1497, Dec. 2019.