Constantius I AE Follis. 302-303 AD. Trier. 

Obv: CONSTANTIVS NOBIL C, laureate, cuirassed bust right
Rev: GENIO POPV-LI ROMANI, Genius standing left, modius on head, naked except for chlamys over left shoulder, holding patera and cornucopiae, S-F across fields, IITR in ex. 

RIC VI Trier 508a.

With permission of Roma Numismatics, June 2009