Scarcer VOT XV MVLT XX AE4 of Gratian (375-383 AD), Rome mint, Roman Empire

D N GRATIA-NVS P F AVG, Diademed bust right, draped & cuirassed / VOT XV MVLT XX, Within wreath. 15mm, 1.37 grams. Rome mint, issued 378-379 AD. RIC 51.