Quarter Follis 

Emperor Constantius I (as Augustus)

Rv GENIO POPVLI ROMANI 

1.91 grams 18mm 

Siscia AD 305-6

Obv. CONSTANTIVS AVG

Laureate bare bust of Emperor Constantius I right

Rv. GENIO POPVLI ROMANI

Genius standing left holding cornucopia and patera

mint mark SIS in exergue

RIC 167

Sear 14192