According to the Metropolitan Museum of Art this art work cannot be securely identified Queen Nefertiti. But I don't care. I say it is her face.
Fragment of the face of a queen, New Kingdom, Amarna Period, Dynasty 18, reign of Akhenaten, ca. 1353–1336 B.C.
Egypt, Middle Egypt, el-Amarna (Akhetaten); inc. el-Hagg Qandil