Constans AE3. Trier. 348-350 AD. 

Obv. DN CONSTA-NS PF AVG, pearl-diademed, draped and cuirassed bust right, A behind bust
Rev. FEL TEMP-REPARATIO, Emperor in military dress standing on galley moving left, holding Victory and labarum. Victory sitting at the stern, 
steering the ship, A in left field, mintmark TRP in ex. 

RIC VIII Trier 243.

Dane's collection, June 2009