Object register page:
Fragments of pottery bowl, [Type C LXIII]; RW (red ware), red polished inside and outside. Illustration: Yes. Illustration scale: 1:2
Reisner, George A., and William Stevenson Smith. The Tomb of Hetep-Heres the Mother of Cheops: a Study of Egyptian Civilization in the Old Kingdom. A History of the Giza Necropolis 2. Cambridge, MA: Harvard University Press, 1955, p. 82.