Maximianus, first reign (285-305), AE follis, issued 297-8. Heraclea, 10.05g, 28mm.
Obv: IMP C MA MAXIMIANVS P F AVG; laureate head right
Rev: GENIO POPVLI ROMANI, Genius, wearing modius, nude, chlamys draped over left shoulder, standing left, pouring liquid from patera in right hand and holding cornucopiae in left hand, HTA in ex.
RIC 19b
From the Caesar_Augustus collection, acquired from Economopoulos Numismatics.

Excellent portrait, most silvering remains (toned).