✨💙 This vintage Corning Ware 1-Quart Sauce Maker P-55-B, in the iconic Blue Cornflower pattern, is a quintessential example of mid-century American kitchenware. The 1-Quart Sauce Maker has a specific production history: ✨Debut (1963): The 1-quart sauce maker debuted in 1963 and sold without a lid. ✨Update (1964): A glass lid was added to the set. ✨Production Era (1960s-1970s): Most surviving P-55-B pieces date from the mid-to-late 1960s. ✨Discontinuation (1976): Production of this specific style ended in the mid-1970s as newer product lines were introduced. Product Identification— ✨Model Number: P-55-B ✨Pattern: Blue Cornflower ✨Capacity: 1 quart (approximately 4 cups). ✨Material: Made from authentic Pyroceram, a glass-ceramic material originally developed for ballistic missile nose cones, prized for its extreme thermal shock resistance. ✨Era: Mid-Century Modern (mid 1960s production). ✨Heritage: This specific design was produced between 1963 and 1976 in Corning, NY, USA. Key Features— ✨Versatility: Designed for multiple uses including measuring, mixing, baking, and serving. It is both dishwasher and oven-safe. ✨Design: Features fluted rims for easy pouring and a small tab handle. ✨Measurements: Includes a measurement guide printed on the inside wall, marking 4 cups/32oz ✨Value Factors: The "Made in U.S.A." stamp and the clarity of the blue floral transfer are exactly what collectors look for. This stamp is from the original 1960s-1970s production runs.