Maximinus II, Cyzicus. 311-312 AD. 

IMP C GAL VAL MAXIMINVS PF AVG, laureate head right
VIRTVTI EXERCITVS, Virtus advancing right with spear, shield and 
trophy. 
B in left field. 
Mintmark MKV. 
Not in RIC for Maximinus II. 

Contributed by T&S Petrov Art Numis, August 2012.