Constantius I. AE Follis. 303-305 AD. Trier. 

CONSTANTIVS NOBIL C, laureate, cuirassed bust right
GENIO POPV-LI ROMANI, Genius standing left, tower on head, 
naked except for chlamys over left shoulder, holding patera 
and cornucopiae. 

S-F across fields. 
Mintmark PTR. 

RIC VI Trier 594a.

With permission of Roma Numismatics, April 2010