Pyrex Festiva Amethyst dinner plate. Pre-owned, show regular vintage wear. This vintage glassware features a distinctive purple swirl pattern. It was part of a collection produced by Corelle for Corning, specifically the "Festiva Amethyst" line. These plates are crafted from durable glass and are often found in various sizes, including dinner plates, salad plates, and charger plates. They are known for their glossy finish and impressed backstamp, confirming their authenticity as original Corning products.