Dogu is found many parts of Japan, and they are made in Jomon-era, which is about 3,000-15,000 years ago. This one .6 inch rock in it, which is very rare and interesting. It has two holes mouth and neck, so I think it might be used to smoke.
Size : W 2.7 in H 5 in x D 2 in Weight : 8 oz Material : Ceramic
