RARE FIND: NEW Vintage Corning Ware Blue Cornflower 1.5 Qt Baking Dish P-4 (Unopened Box)

Rare Find – Brand New, Never Opened Vintage New Old Stock (NOS) in Original Box! Hard-to-find, completely untouched vintage Corning Ware Blue Cornflower 1½-Quart Covered Baking / Casserole Dish (Model P-4) in its original 1970s/early-1980s Corning Glass Works retail box. Made in the USA from durable Pyroceram glass-ceramic. Key Features & Details: • Brand & Pattern: Corning Ware – Blue Cornflower • Model: P-4 (1½ Quart / 1.5 Qt rectangular casserole dish with matching clear Pyrex glass cover) • Versatile Cookware: Safe for conventional ovens, broilers, range-top/stovetop, microwave ovens, refrigerator, and freezer. • Condition: 100% brand new and never opened—a truly rare find for vintage cookware collectors or gift-givers. The outer vintage cardboard box remains factory-closed and shows only light, authentic shelf wear from storage over the decades.