The smallest is in pale green stone, the largest is in greenish, multi stone.
From Egypt, Giza, G 7757 A, (tomb of Kheperre) room IV. 1929 : excavated by the Harvard University–Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Egypt.
Harvard University—Boston Museum of Fine Arts Expedition
Egyptian, Late Period, Dynasty 26, reign of Amasis, 570–526 B.C.