Abraham was born in 2166 BC, and 75 when he left Ur, making the year 2091 BC. The artifacts you see here would have been from around the time of Abraham.
Genesis 11:31 And Terah took Abram his son, and Lot the son of Haran his son’s son, and Sarai his daughter in law, his son Abram’s wife; and they went forth with them from Ur of the Chaldees, to go into the land of Canaan; and they came unto Haran, and dwelt there.