Valentinian I, AE3, Arles. 367-375 AD.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed 
bust right.
SECVRITAS-REIPVBLICAE, Victory advancing left, holding
 wreath and palm. 
OF in left field. III over dot in right field.

Mintmark: CON.

RIC IX Arles 9a, type iv(c)

Contributed by Forum Ancient Coins, coinstore item 17095.