Amulets of falcons were popular throughout Egyptian history and were associated with several different deities, most notably Horus and Ra-Horakhty. In the absence of a headdress it is imposible to know with certainly which god is intended.
From Giza, G 7515 A. 1925: 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.
Harvard University—Boston Museum of Fine Arts Expedition