The Corning Ware Replacement 7” Clear Glass Lid Pyrex A-7-C Casserole Lid is a vintage piece of kitchenware from the 1970s. Made in America by Pyrex, this square-shaped lid features a glossy finish and is dishwasher safe. It is an original piece, with an impressed backstamp. This lid is a perfect addition for those who collect vintage Pyrex casserole items, especially for those looking to complete their set with a piece that is both functional and stylish.