“Ah, you did not notice the postmark! And yet you affirm so confidently that it came from Styles. It might, in fact, have been any postmark?”

“Y⁠—es.”

“In fact, the letter, though written on stamped notepaper, might have been posted from anywhere? From Wales, for instance?”

The witness admitted that such might be the case, and Sir Ernest signified that he was satisfied.