This sun disc and horns derive from the headdress of a bronze figurine of a goddess, either Hathor or more likely Isis.
From Naukratis. 1885: excavated by the Egypt Exploration Fund, assigned to the EEF by the Egyptian government; October 28, 1885: voted to the MFA at EEF general meeting; sent over February 1886. (Accession Date: January 1, 1886)
Egypt Exploration Fund by subscription