MAXIMIANUS. 286-305 AD. AV Aureus (5.99 gm). Struck 293-294 AD. Rome mint. 
MAXIMIA-NVS PF AVG, laureate head right / HERCVLI DEBELLAT, Hercules 
standing left, battling Lernian Hydra; PROM. RIC V -; Depeyrot 9/5; Cohen 
255; Hunter V, 41/40. 

With permission of Numismatica Ars Classica, May 2013.