Rare Vintage Blue Cornflower Corning Ware Casserole Dish 1Qt. Rare vintage Blue Cornflower Corning Ware, Casserole Dish, 1960's-1970's.Dish is from discontinued Corning Ware design, original logo on bottom. The bane casserole dish prominently displays the blue corn flour pattern on two of the four sides. Excellent condition, no cracks, chips or faded design. Lid is in Perfect condition Says Pyrex A7C on the clear glass lid. Please let me know if you have any questions. See the Attached Photos Please. 9" x 7" x 2.3.