They knocked on the opened door, but there was no answer. Then they went inside. To their surprise the house was in confusion. Furniture was overturned, tables and chairs were broken, and papers were scattered about the room.
"There's been a fight here!" cried Tom.
"That's right," agreed Ned. "Maybe he's been hurt—maybe burglars came for the platinum!"
"Come on!" cried Tom, making a dash for the stairs. "We'll see if he's here."
The house was small, and it took but a moment to show that Mr. Petrofsky was not there. Upstairs, as below, was the same confusion—the overturned furniture and the papers scattered about.
Tom stooped and picked up a scrap that looked like a piece torn from a letter. On top was a seal—the black seal of Russia—the imperial arms of the Czar!
"Look!" cried Tom, holding out the paper.
"What is it." asked Ned.
"The hand of the Czar!" answered his chum. "It has reached out from Russia, and taken Mr. Petrofsky away!"