"What is its value?"
"Ten dollars," answered Tom, inspecting it.
"Very good. I want you hold it for me. I give you warning that I mean to make it pass out of you hand."
"I don't think you can do it, sir."
"Well, perhaps not. You look like a pretty sharp customer. It won't be easy to fool you."
"You bet."
"Nancy," whispered the old lady to her daughter. "I hope you don't allow Tom to talk so."
"Look, mother, see want he's going to do."
"What I propose to do," said the professor, "is to make that coin pass into the box on the table. I may not be able to do it, as the young gentleman is on his guard. However, I will try. Presto, change!"
"It didn't go," said Tom. "I've got it here."