Constans AE3. AD 349-350, AE 22mm, 4.79g.

Obv: DN CONSTA-NS PF AVG, pearl diademed, draped & cuirassed bust right 
Rev: FEL TEMP-REPARATIO, Emperor in military dress standing on galley moving 
  left, holding phoenix on globe & labarum. Victory sitting at the stern, 
  steering the ship. 

Mintmark: SARL. 

RIC VIII Arles 100, LRBC 1151. rated common.

With permission of cgb.fr, Oct. 2012
Starting price : 225 Euro.