One fragment with two dressed surfaces at a right angle, may be related to Eg.Inv.11814. Possibly base edge of falcon or other sculpture of like material. See Documentation.
From Nubia (Sudan) Gebel Barkal, B501 VI - VII 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
Egyptian, New Kingdom, Dynasty 18, reign of Amenhotep III (?), 1390–1352 B.C. (?)