This is an offering for a rarely seen Coors Pottery Thermo Porcelain Open Window 5" wide at the rim small triple service casserole with lid. There is no die or ink mark on this example. The lid is a little lighter in color and shows more difference in the pictures than there is in person. Not a hint of use and has no nicks, chips, cracks or repairs. Shipping for this fine addition to your collection is $13.95.