Genesis 23:16

23:16 So Abraham agreed to Ephron’s price and weighed out for him the price that Ephron had quoted in the hearing of the sons of Heth – 400 pieces of silver, according to the standard measurement at the time.

Genesis 34:21

34:21 “These men are at peace with us. So let them live in the land and travel freely in it, for the land is wide enough for them. We will take their daughters for wives, and we will give them our daughters to marry.

Genesis 37:28

37:28 So when the Midianite merchants passed by, Joseph’s brothers pulled him out of the cistern and sold him to the Ishmaelites for twenty pieces of silver. The Ishmaelites then took Joseph to Egypt.

Genesis 42:34

42:34 But bring your youngest brother back to me so I will know that you are honest men and not spies. Then I will give your brother back to you and you may move about freely in the land.’”