vintage “ Cornflower “ Corning ware petite baking dish P-41

he product in the image is a vintage CorningWare casserole dish in the "Blue Cornflower" pattern. The Blue Cornflower pattern was a very popular design for CorningWare, first introduced in 1958. The dish is made from a glass-ceramic material called Pyroceram, which was originally developed for rocket nose cones and is highly resistant to temperature.