Ancient Drum or Klong Thong

Ancient drum or Klong Thong is a single page bronze drum. The drum is believed to be no less than 3,000 years old and is a drum occupied by the ancient Kha and Khmer collectors. It was found in 1938 on the banks of the Mekong River at Ban Na Tham.

Credit: https://www.tourismthailand.org/