 Warren, you said you'd be prepared to pay me ten pounds for it. Ten pounds it is, Mr. Sandford. Oh, I'm an honest man, Mr. Holmes. Of course, the money attracts me, but I think you ought to know I only paid 15 shillings for it. I've named my price, Mr. Sandford, and I intend to stick to it. There you are, sir. Ten pounds. And in return, I shall only ask you to sign this paper in the presence of these witnesses. It's simply to say that you transfer all possible rights you ever had in the purchase to me.