thy: Genesis 20:5; Proverbs 27:5
thousand: What these pieces were is not certain; but it is probable they were shekels, as it is so understood by the Targum; and the LXX render it didrachma:, by which the Hebrew shekel is rendered in Genesis 23:15-16.
behold: Or, "behold IT (the 1,000 shekels) is to thee," etc. Genesis 26:11
a covering: Genesis 24:65