This piece is a classic Pyrex Snowflake Blue Divided Serving Dish (Model #1063), a staple of mid-century kitchenware produced between 1956 and 1967. ​ ​The dish is an oval, divided "casserole" style with two integrated handles in a vibrant turquoise-blue opal glass exterior with a crisp white interior. A repeating "Snowflake" motif in white, featuring alternating large and small stylized snowflakes encircling the base. ​This dish invisible the specific #1063-C lid. The lid is a clear, tempered glass that is flat with a slightly raised, integrated handle bar across the center. ​The lid is a clear glass with no pattern that sits flush on the inner rim of the dish to allow for steam retention while serving. Model Number 1.5 Quart Divided Dish (#1063) Era Late 1950s – Mid 1960s The lid is stamped with "PYREX" and the number "1063-C" on the rim/handle.