I don't think I over cleaned it. It was very worn to begin with. Perhaps someone can push me in the right direction to research this.
D N ARCADI-VS PF AVG, pearl-diademed, draped, cuirassed bust right / VIRTVS-EXERCITI, emperor standing left, head right, holding spear and resting left hand on shield. Victory, standing beside him, crowns him with a wreath held in her right hand. https://www.wildwinds.com/coins/ric/arcadius/_antioch_RIC_X_70_B.jpg My best guess.
Thanks to you and @Mat I agree about Arcadius. But mine seems to have a mint mark starting with an S. Could it be this one: Arcadius AE3. 395-401 AD, Nicomedia mint. DN ARCADI-VS PF AVG, pearl diademed, draped, cuirassed bust right VIRTVS-EXERCITI, Emperor standing left, head right, holding spear and resting left hand on shield. Victory, standing beside him crowns him with a wreath which she holds in her right hand Mintmark SMNA RIC X Nicomedia 62 Having trouble with the image.