Small corner fragment with 2 polished faces. One face has a bevel. Black granite. Fits on to and glued to 20-1-33.
From Nubia (Sudan) Gebel Barkal, B502 Ex 4 debris. 1920: excavated by the Harvard University-Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition