According to conservative Bible scholars, 1446 BC was the date for the Exodus. To the right of the Abrahamic era artifacts, are artifacts from the  Israelite enslavement era. Similar objects may have brought on the Exodus trip.

Exodus 3:22 But every woman shall borrow of her neighbour, and of her that sojourneth in her house, jewels of silver, and jewels of gold, and raiment: and ye shall put them upon your sons, and upon your daughters; and ye shall spoil the Egyptians.

Joseph was embalmed and coffined similar to this https://thetorah.com/our-mummified-patriarchs-jacob-and-joseph/
Genesis 50:26 So Joseph died, being an hundred and ten years old: and they embalmed him, and he was put in a coffin in Egypt.