This is a cylindrical fragment with a rounded end. It joins 14-3-967b. The stone is black granodiorite with small evenly distributed white and black biotite inclusions (may be diorite). GD3.
From Nubia (Sudan), Kerma, K XXXIX K 3901 debris. 1914: Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition
Egyptian, Middle Kingdom, 2040–1640 B.C.