Valentinian I AE3, Antioch mint, 17 mm, 2.95 g. 

Obv: DN VALENTINI-ANVS PF AVG, pearl-diademed, draped and cuirassed bust right.   
Rev: SECVRITAS-REIPVBLICAE, Victory walking left, holding wreath and palm branch.

Star in left field. 
Mintmark ANTA.

RIC IX Antioch 36 var (missing for this emperor).

Contributed by Burak Cebeci, Kayser-i Rum Numismatics on vcoins.com