With over two thousand years mummy comes from the excavations carried out in 1907 in el-Gamhud by the first Polish Egyptologist, Tadeusz Smoleński. The goddess Isis – Aset-iri-khet-es – lies in a sarcophagus with an impressive lid. Through research conducted in 1996 it found that it was a young woman who died approx. two thousand 300 years ago as a result of blood loss caused by arterial puncture fractured leg. Specialists able to determine, among others, the genetic code of the deceased and her blood type. It is the largest in terms of the size of the object from the collection of Egyptology in Poland and is best examined by specialists.

“Pseudo-mummy”, formed of Nile silt mixed with resin and germinating seeds, molded and then wrapped in linen bandages. Silver mask with traces of gilding in the place of the face. Eyes marked with drawn out corners, eyebrows painted brown, small nose and prominent ears. The crown of Upper Egypt on its head and a hole for the beard in the chin. Silver masks, unlike the waxen ones, are extremely rare in this kind of objects.

Mummy was carefully wrapped in resinated bandage, the crossing bands created geometrical pattern. In the upper part it is formed to resemble the head of a falcon with all the essential details being marked on it. X-ray made of the mummy have revealed no mummified remains under the bandages; inside are the bones of an animal. The falcon's skeleton being mixed with, as paleontologist have discovered, the bones of a frog and lizard, presumably the bird's last meal.

The gilded cartonnage was found during the excavations conducted in 1907 in el-Gamhud by the first Polish Egyptologist, Tadeusz Smoleński. The openwork cartonnage is made up of several layers of linen stuck together. On the front and on the reverse, chalk undercoat was placed as the base for polychrome.