This ring bezel is inscribed with the name [nb-xprw-ra] Nebkheperure, Tutankhamen. The Object Register states that there are two faience ring bezels and two fragments of two others.
From Egypt, Giza, Street G 7000, debris on floor. 1926: 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