Valentinian II, AE3 of Rome, AD 378-383. 

DN VALENTINIA-NVS IVN PF AVG, pearl diademed, draped, cuirassed bust right.
SECVRITAS-REIPVBLICAE, Victory walking left, holding 
wreath and palm branch.
Star in left field.
Mintmark SMRP (or SMRB?)

RIC IX Rome 28c, type xvii; Sear 20325.
Scarce.