Constantius I AE Follis. 305-307 AD. London. 

Obv: IMP CONSTANTIVS PIVS F AVG, laureate and cuirassed bust 
right
Rev: GENIO POPV-LI ROMANI, Genio standing left, modius on head, 
naked, chlamys over left shoulder, holding patera and
cornucopiae (no mintmark). 

RIC VI London 48, rated scarce.

Contributed by Dane for Roma Numismatics, June 2009