This is a vintage Westmoreland scalloped luncheon plate in the Paneled Grape pattern and Milk White color. The diameter of this plate is 8.5". It may be used for a salad plate, and is most notably referred to as a 'luncheon plate'. 
 
Please note that each plate is sold individually and that there are absolutely no visible cracks, chips, or scratches. Each piece is in excellent condition.