The Atq Portieux Vallerysthal Argonaut Covered Dish is an antique, vintage piece of glassware from France. It features a round shape with a frosted finish and a decorative dolphin design on the lid. The dish has one compartment and is styled in a Victorian theme, making it a unique and stylish addition to any collection. With its original production technique of fused glass, this covered dish is a one-of-a-kind piece that adds a touch of elegance to any table setting.