Constantius I Denarius,as August RARE
$19.31
Mar-09-00
Constantius Chlorus, as Augustus, 305-306 AD. Æ Denarius, Siscia
Mint. Rx: GENIO POPVLI ROMANI SIS, Genius standing left with
modius on head with clamys over shoulder, holds patera and
cornucopuia. RIC167

Very rare. Often catalogued as a 1/4 follis, this denomination
was issued in small numbers and doesnt seem to have served much
function in the economy.