a. two joining fragments of convexed ridged surface b. fragment with convexed ridged surface
From Giza, Pit 5223A. 1914: 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
Egyptian, Old Kingdom, Dynasty 4, reign of Khafra, 2520–2494 B.C.