“Well, well, no offence, Sam. We can’t afford to quarrel. Come over to the window if you want to see the beauty properly. Now hold it to the light! Here!”

“Thank you!”

With a single spring Holmes had leaped from the dummy’s chair and had grasped the precious jewel. He held it now in one hand, while his other pointed a revolver at the Count’s head. The two villains staggered back in utter amazement. Before they had recovered Holmes had pressed the electric bell.

“No violence, gentlemen⁠—no violence, I beg of you! Consider the furniture! It must be very clear to you that your position is an impossible one. The police are waiting below.”

The Count’s bewilderment overmastered his rage and fear.

“But how the deuce⁠—?” he gasped.