'Shekels' in the Bible

“My lord, listen to me. The land [you seek] is worth four hundred shekels of silver; what is that between you and me? So bury your dead.”

So Abraham listened to Ephron [and agreed to his terms]; and he weighed out for Ephron the [amount of] silver which he had named in the hearing of the Hittites: four hundred shekels of silver, according to the weights current among the merchants.

When the camels had finished drinking, Eliezer took a gold ring weighing a half-shekel and two bracelets for her hands weighing ten shekels in gold,