Obi with Stylized Waves

Black and gold artwork titled "Obi with Stylized Waves" by an unknown artist, depicting stylized waves in gold on a black background. The waves are drawn in a traditional Japanese style, with curved lines and foamy crests. The waves are flowing in a curved diagonal pattern from top left to bottom right. The artwork has a rectangular shape with rounded corners and a black border at the top. The background behind the artwork is light gray.