“It might be either⁠—or both,” said Labar, and turned with imperturbable face, that masked more than slight worry, to confront the shrewd beady eyes of Mr. Gertstein.

“What do you think now?” demanded the millionaire.

The inspector smoothed his chin. “I hate to make up my mind right away, Mr. Gertstein, but I’d be willing to make one guess at the man who knows all about this.”

“So!” Gertstein rubbed his hands. “Then you have found out something. You have a clue. I’m a generous man, Inspector. If you get back those things I will treat you well. It will be worth⁠—what⁠—a thousand pounds to you.”