Dish with eight trigrams

The image is a black and white photograph of a ceramic dish. The dish has a wide, shallow shape with a glossy finish. The interior of the dish features a spiral design in the center, with eight trigrams arranged around the interior. The trigrams are composed of three horizontal lines, either broken or unbroken, and are evenly spaced around the dish. The background of the image is a plain surface with a gradient that transitions from light to dark. The dish titled "Dish with eight trigrams" is by an unknown artist. The dish casts a shadow on the surface below it. The image is a close-up shot.