This is a group of twelve barrel beads. They are various shades of blue and green, some are faded to buff. Object Register says 9 blue barrel and 3 green barrel beads.
From Egypt, Giza, Pit G 7757 A, (tomb of Kheperre) Room IV debris. 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