Severus II. AE Follis. Trier. 305-307 AD. 

FL VAL SEVERVS NOB C, laureate, cuirassed bust right
GENIO POPV-LI ROMANI, Genius standing left, tower on head, 
loins draped, holding patera and cornucopiae

S-F across fields
mintmark PTR. 

RIC VI Trier 667a.

With permission of Roma Numismatics, Oktober, 2009