From the tomb of Princess Ita, daughter of Amenemhat II.
The dagger was found in her coffin, together with a collection of jewels that included bracelets, anklets a necklace, and the remains of a belt.
The pommel is in the shape of a light crescent of lapis lazuli. The hilt is beaten gold and is inlaid with disks of lapis lazuli and green feldspar.
Princess Ita's tomb, next to the pyramid of king Amenemhat II at Dahshur. Middle Kingdom, 12th Dynasty, reign of Amenemhat II, ca. 1914-1879 BC.
Now in the Egyptian Museum, Cairo.