Up for sale is a rare vintage A30 square open casserole dish made by CorningWare in 1959. This blue and white dish features a cornflower pattern and is made of pyroceram material. The dish has a capacity of 1 qt and measures 7 inches in length and width with a depth of 1-1/2 inches. It has handles and a glossy finish. The dish is oven and freezer safe and is scratch-resistant and easy to clean. This collectible dish is an original and was produced in the United States using fused glass technique. It weighs 2.5 lbs and is perfect for food and drink themes and would make a great addition to a Corning Ware collection! In excellent pre-owned condition! Have a great day!