Bronze follis, 28mm, 10.90gm, issued AD 296/297 Heraclea mint.
Obv: IMP C C VAL DIOCLETIANVS PF AVG, Laureate head right.
Rev: GENIO POPVLI ROMANI (HTB in ex.), Genius, wearing modius, nude, chlamys draped over shoulder, standing left, pouring liquid from patera and holding cornucopiae.
References: Sear 12787, RIC 17a.