This Eye of Horus (wedjat) amulet fragment has a serrated outer edge, and one bead edge is grooved. The amulet is bored from top to bottom.
From Egypt, Giza,G 7200 . 1924 : excavated by the Harvard University–Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Egypt.
Harvard University—Boston Museum of Fine Arts Expedition