Sería un AE 2 de Magnencio (no confundir con Majencio), probablemente de la ceca de Lyon (Lugdunum)
Creo que puede ser esta...
Magnentius Æ Centenionalis. Lugdunum (Lyon), AD 350-353. D N MAGNENTIVS P F AVG, bareheaded, draped and cuirassed bust right, A behind / VICTORIAE DD NN AVG ET CAE, two Victories standing facing each other, holding between them wreath inscribed VOT V MVLT X; SP below wreath
RPLG in exergue??? RIC 136.