Constans AE3. 347-348 AD. 

Obv: CONSTANS PF AVG, rosette-diademed, draped & cuirassed bust right 
Rev: VICTORIAE DD AVGGQ NN, two Victories standing facing each other, each holding wreath & palm, HR monogram between, Gamma SIS in ex.

RIC VIII Siscia 192

Used with permission of TimeLine Originals (www.time-lines.co.uk), June 2009