A recent email posed this question: "I have a set of four Norman Rockwell collector plates that I purchased in the 1970s. They’re in their original boxes and in perfect condition. What is their value?

Q: I own at least 100 Norman Rockwell plates. Each has its certificate of authenticity and period box. How can I find out their value and where can I sell them? - D.J., e-mail question A: The answer ...