Travertine eye inlay (pupil is missing) within a bronze frame. Gold foil adheres to the frame and there are traces of white paste on the reverse.
From Nuri, pyramid XXXVII, room A. 1917: excavated by the Harvard University-Museum of Fine Arts Expedition; assigned to the MFA by the government of the Sudan.
Harvard University—Boston Museum of Fine Arts Expedition
Nubian, Napatan Period, reign of Akhratan, 353–340 B.C.