Abraham agreed to Ephron’s terms and weighed out for him the price he had named in the hearing of the Hittites: four hundred shekels of silver, according to the standard of the merchants.
Jewish Publication Society of America Version (JPS1917) - Genesis 23:16 >And Abraham hearkened unto Ephron; and Abraham weighed to Ephron the silver, which he had named in the hearing of the children of Heth, four hundred shekels of silver, current money with the merchant.