Gênesis 37:28

28 Passando pois os mercadores Midianitas, tirarão e alçarão a Joseph da cova, e venderão a Joseph aos Ismaelitas por vinte moedas de prata, que levarão a Joseph a Egypto.

28 So when the Midianite merchants came by, his brothers pulled Joseph up out of the cistern and sold him for twenty shekels That is, about 8 ounces or about 230 grams of silver to the Ishmaelites, who took him to Egypt.