This carnelian amulet represents the djed-pillar. The pillar, which symbolized the spinal column of the funerary god Osiris, was the hieroglyphic symbol for stability.
From Egypt, Giza, in debris: pit G 7450x- II. 1927 : 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