Billon Follis 

Emperor Maximianus 

Rv GENIO POPVLI ROMANI

 7.78 grams 27-29mm

 Trier AD 298-99

Obv IMP MAXIMIANVS P F AVG

Laureate bare bust of 

Emperor Maximianus right

Rv. GENIO POPVLI ROMANI

 Genius wearing modius on head standing left holding cornucopia and patera

A - ✱ in fields

TR in exergue

RIC 277b