Three Chert Burnishers, probably Old Kingdom, c. 2575- c. 2130 B.C.E, the elongated forms with rounded ends and highly polished surfaces., 1. Height 14.4 cm, width 3 cm, depth 2 cm, 2. Height 13.8 cm, width 4.4 cm, depth 2 cm, 3. Height 14 cm, width 2.8 cm, depth 1.8 cm