while we wandered, two and two, about the town and castle. I annexed Lady Belleisle, who is at least amusing. Charles drew me aside before starting. 'Look here, Sey,' he said, 'we must be very careful. This man, Polperro, is a chance acquaintance. There's nothing an astute rogue can take one in over more easily than an Old Master. If the Rembrandt is genuine I ought to have it; if it really represents Maria Vanrenen, it's a duty I owe to the boys to buy it. But I've been done twice lately, and I won't be done a third time. We must go to work cautiously.'
'You are right,' I answered. 'No more seers and curates!'
'If this man's an impostor,' Charles went on—'and in spite of what he says about the National Gallery and so forth, we know nothing of him—the story he tells is just the sort of one such a fellow would trump up in a moment to deceive me. He could easily learn who I was—I’m a well-known figure; he knew I was in Brighton, and he may have been sitting on that glass seat on Sunday on purpose to entrap me.'
'He introduced your name,' I said, 'and the moment he found out who I was he plunged into talk with me.'
'Yes,' Charles continued. 'He may have learned about the portrait of Maria Vanrenen, which my grandmother always said was preserved at Gouda; and, indeed, I myself have often mentioned it, as you