My wife has a complete set of 50th anniversary commemorative Gone With The Wind plates. They were made for the Bradford Exchange. They were made in 1989 and there are 12 plates. They are all in mint condition, and are in the original boxes with certificates of authenticity. She would like to know the approximate value of these plates and the best way to sell them. I would appreciate any help on value and/or sales suggestions. Thank you very much.

Michael Siskin