Frank Lloyd Wright Graycliff Estate Coffee Mug Cup RARE! . The item “Frank Lloyd Wright Graycliff Estate Coffee Mug Cup RARE” is in sale since Sunday, September 13, 2020. This item is in the category “Collectibles\Decorative Collectibles\Mugs, Cups”. The seller is “walkabout_trouts” and is located in Springfield, Ohio. This item can be shipped to United States.