Maximianus, AE Antoninianus, Cyzicus.

Obv: IMP C M A VAL MAXIMIANVS PF AVG, radiate, draped, cuirassed bust right.
Rev: CONSERVATOR AVGG, Emperor, holding sceptre, and
Hercules, leaning on club, standing face to face,
sacrificing at altar.

Mintmark XXIB dot KOY
RIC V-2, 581 

Contributed by Razvan Pala, Nov. 2010