Bronze bell No. 9 from the Kamo-Iwakura site

National treasure. The dotaku unearthed from the Kamo Iwakura site have a nested structure. In this way, this dotaku was set into No. 8 dotaku. It was made from the same mold as bronze bell No. 6 dotaku from the Kamo Iwakura site and Tatsuuma No. 419 dotaku in Hyogo prefecture.