coronet of the Princesse de Lamballe," said M. Formery.
"No," said the Duke. "They have not touched this safe. It is unopened."
"What has that got to do with it?" growled the millionaire quickly. "That safe is empty."
"Empty . . . but your coronet?" cried the Duke.
"Good heavens! Then they have stolen it," cried the millionaire hoarsely, in a panic-stricken voice.
"But they can't have—this safe hasn't been touched," said the Duke.
"But the coronet never was in that safe. It was—have they entered my bedroom?" said the millionaire.
"No," said M. Formery.
"They don't seem to have gone through any of the rooms except these two," said the Duke.
"Ah, then my mind is at rest about that. The safe in my bedroom has only two keys. Here is one." He took a key from his waistcoat pocket and held it out to them. "And the other is in this safe."
The face of M. Formery was lighted up with a splendid satisfaction. He might have rescued
