This is a Pyrex pie dish made in Japan. It has a cute yellow flower pattern. Besides baking and cooking, it can also be used as a salad plate or serving dish, and is useful on the everyday dining table. Microwave, dishwasher, and oven safe. Not for direct fire. In the 5th image, what looks like scratches are actually air bubbles or cloudiness that occur during the manufacturing process. This is not a defect. Size: Diameter approx. 25cm, Inner diameter approx. 22.5cm, Height approx. 3.5cm Weight: approx. 640g Year of manufacture: around 1974 to around 1984