Vintage Corning Ware (P-43-B) “Cornflower” Casserole Baking Dish with Lid (2.75 cups) Review August 25, 2018November 10, 2018 - DesertMango this is a vintage casserole dish with lid by Corning Ware. It is done in the “cornflower” pattern. It is numbered P-43-B and will hold 2.75 cups.