A Chelsea botanical plate of the same year goes for $1,145on 1stdibs. These limited edition collectors plates are a good bet if you are looking to sell a very valuable Norman Rockwell plate. $8.50 shipping. Answer: Norman Rockwell "collectible" plates have limited value because they are not terribly collectible today. Some topics are more important than others. To help you understand how much a Norman Rockwell plate can be worth, we have accumulated a list of the top 6 most valuable Norman Rockwell plates ever sold. Under $100.00 (US Domestic Only), Free Shipping on Orders $100.00 plus (US