Constantine II. AE Follis, Trier. 319 AD. 

FL CL CONSTANTINVS IVN N C, helmeted, laureate, draped, cuirassed bust right.
VICTORIAE LAETAE PRINC PERP, two Victories holding shield inscribed VOT 
PR over altar. 
Altar decoration type Helv. 5a (a star). 
Mintmark STR. 

RIC VII Trier 219. Very rare (R3).

With permission of Roma Numismatics, Jul, 2010