This large mother-of-pearl shell is pierced with two holes. It is an avicula (meleagrina) margaritacea shell.
From Egypt, Sheikh Farag SF 218. 1913: excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Egypt. Findspot Information: From Sheikh Farag. S.F.218
Harvard University—Boston Museum of Fine Arts Expedition