Vintage Corning Ware Blue Cornflower Rectangular Dish P-4-B This is a great unique size! Stamp on bottom is barely visible but states: P-4-B 7 x 5 1/2 x 3" Corning Ware For Range and Microwave Made in USA EXCELLENT pre-owned condition - no chips, nicks, cracks, scratches - tiny little black dots on side of handle (see photo) Please see all photos as they are part of the description