This very rudimentary limestone amulet represents a baboon. Amulets of squatting baboons were associated with Thoth, the patron deity of scribes. Baboons were also associated with the sun and moon.
From Giza: Debris W. of G 7130. Nov. 4, 1924: Excavated by the Harvard University–Museum of Fine Arts Expedition; assigned to the MFA by the government of Egypt.
Harvard University—Boston Museum of Fine Arts Expedition