Constantius II AE4. 

Obv: CONSTANTI-VS PF AVG, rosette-diademed, draped, 
cuirassed bust right 
Rev: VICTORIAE DD AVGGQ NN, two Victories facing each 
other, each holding wreath and palm branch. Between 
them: a palm branch upright. 

Mintmark: Epsilon SIS. 

RIC VIII Siscia 194, rated c2

Contributed by ebay seller saxbys-coins, November, 2009.