This is a wooden handle, painted black, with gold foil at the tip. The top end has a small rectangular projection for insertion into a small mirror, flail or etc. that would have been attached.
From Egypt, Deir el-Bersha, Tomb 51, pit A. 1915: 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