"You're going to have to go to work, Paul," said Della Street. "Perry's taken a button and sewn a vest on it."
"Della's right, Paul," Mason said. "It's like the old phony jewelry store bad-check racket." "Who's the victim?" "Otto Olney." "Not on that painting deal?" Drake asked. "Is the painting phony?"
"No, the painting is absolutely genuine. But I have a hunch that witness is going to disappear. If that happens, everyone will know that Perry Mason was played for a sucker."

Perry's instinct was right. They had set him up for a sucker, but they hadn't allowed for his suspicious nature—or for murder!

-Bookseller abstract

Serialized as "The Case of the False Feteet" in Toronto Star Weekly, October 7, 1961.