Severus II, AE follis, Trier. AD 305-306.

FL VAL SEVERVS NOB CAES, laureate, draped and cuirassed bust 
right, seen from the back.
GENIO POPV-LI ROMANI, Genius standing left, turreted, naked
but for chlamys over left shoulder, holding patera and 
cornucopiae.
S-F across fields.
Mintmark PTR.

RIC VI Trier 648 var (bust type); Sear -.
Rare

Courtesy of romanlode on vcoins.com, Feb. 2016.