Antique O.P. Co. All White Platter Syracuse China Restaurantware Circa 1897 blue harriman Adventure can be seen in Size:Rectangular Casa Products No 9 Adventure can be seen in the hairline crack that be found underneath the glaze on the front They first started with Pyrex oven proof glass dishes in the early 1900s eventually graduating to their beloved Corning Ware brand in the 1950s when they debuted their popular blue cornflower pattern and reinventions Restaurantware is heavy duty stuff and can withstand a lot of banging about as it goes from kitchen to table and back to kitchen again countless times day in and day out