"Mr. Denton, will you step into the back office?" he said.

"Certainly," answered Tony cheerfully.

He found the two brokers within.

"This is Mr. Denton?" said the senior partner.

"Yes, sir."

"You offer this bond as additional margin on the shares we hold in your name?"

"Yes, of course."

"Mr. Denton," said Mr. Gay searchingly, "where did you get this bond?"

"Where did I get it?" repeated Denton nervously. "Why, I bought it."

"How long since?"