Genesis 38:18 (KJV)

And he turned unto her by the way, and said, Go to, I pray thee, let me come in unto thee; (for he knew not that she was his daughter in law.) And she said, What wilt thou give me, that thou mayest come in unto me?

And he said, I will send thee a kid from the flock. And she said, Wilt thou give me a pledge, till thou send it?

And he said, What pledge shall I give thee? And she said, Thy signet, and thy bracelets, and thy staff that is in thine hand. And he gave it her, and came in unto her, and she conceived by him.

And she arose, and went away, and laid by her vail from her, and put on the garments of her widowhood.

And Judah sent the kid by the hand of his friend the Adullamite, to receive his pledge from the woman’s hand: but he found her not.