All offers will be considered. RARE Vintage CorningWare Blue Cornflower 1960 stamp mark. CORNING WARE PYROCERAM t. Made in USA, 10 IN. Please see photos for details and condition. Condition: Used with very minor signs of age and wear. CorningWare originated in 1958 in Corning, N. The glass cookware was marketed to homemakers as “oven-to-table service” which could also be used directly on the stovetop. The first pattern was cornflower blue – petite blue posies on a solid white background – which was produced for 30 years. Vintage Corningware pans, can. Reheat frozen leftovers in the oven (or microwave) without thawing first. Saute onions, mushrooms or whatever on the stove top on medium-high – or high – heat. Bake macaroni and cheese, scalloped potatoes and more in the oven. Create killer cheese sauces when a “heavy” pan is called for. Safely heat foods in the microwave. Soak the casseroles in water with dish liquid and clean off any stuck-on food easily.