Diocletian AE Antoninianus. Lyons mint, AD 292-294.

IMP DIOCLETIANVS AVG, radiate, draped bust right.
IOVI AVGG, Jupiter seated left, holding Victory on globe 
and sceptre.
Mintmark A. 

RIC V-2 34.
Rated common.

Offered by Editions V. Gadoury auction 2018, Lot 178, Oct. 2018