A nice piece.
Obverse: bust of the emperor wearing a radial crown, armor and paludamentum, to the right, in the rim the legend:
AYTOK K MIOYΛI ΦIΛIΠΠOC CEB;
Reverse: eagle to the left, in the rim legend:
ΔHMAPX ΕΞOYCIAC YΠATOΓ, in the offcut ANTIOXIA SC.
Silver, diameter 26 mm, weight 12.19 g, axis 7 h.