Canopic jar of Nephthys ca. 1981-1802 B.C. Middle Kingdom This Middle Kingdom canopic jar belongs to a set of four (11.150.17b-e), which were used to contain the viscera removed from the body during mummification. These four jars belong very probably to the burial of a mayors daughter called Nephthys (for her mummy, see 11.150.15c, and for her two coffins, see 11.150.15a, b). In earlier periods, canopic jars had simple disc-shaped or hemispherical lids. In the late First Intermediate Period to early Middle Kingdom, however, lids in the form of human heads were introduced.. Canopic jar of Nephthys. ca. 1981-1802 B.C.. Indurated limestone, paint, linen. Middle Kingdom. From Egypt, Middle Egypt, Meir, Khashaba excavations, 1910-11. Dynasty 12