Countermark on the obverse.
Roman Provincial
Phrygia, Eumeneia, Nero (54-68), AE
Obverse: bare, draped bust right
ΝΕΡΩΝ ΣΕΒΑΣΤΟΣ
Reverse: Apollo standing left holding raven and double axe
ΕΥΜΕΝΕΩΝ ΙΟΥΛΙΟΣ ΚΛΕΩΝ ΑΡΧΙΕΡΕΥΣ ΑΣΙΑΣ
Diameter 20 mm, weight 6.84 g