The stone is fine-grained. It is broken and mended. There is no ring on the top. The rim is inverted. Only this rim and upper body fragment of the jar remains.
From Egypt, Menkaura (Menkaura) Valley Temple, Giza. 1911: excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Egypt. Findspot Information: Menkaura (Menkaura) Valley Temple, Giza Menkaura Valley Temple, Giza
Harvard University—Boston Museum of Fine Arts Expedition