【 Stone Rock Natural Stone 】Interior Object Perforated Shell Nest Hole Trace Soft Mudstone (senkougaisuanaato nanshitsu deigan) This item was stored in the vacant house of my grandparents, who were born in the Meiji and Taisho eras (^-^) A natural stone with holes made by perforating shells, a stone with holes. Diameter: Approximately 17cm Height: Approximately 9cm Weight: Approximately 2.3 kg It's a natural object (^-^) For interior objects, ornaments, or in aquariums for viewing tropical fish or freshwater fish (^-^) Please consider it. Perforated Shell Nest Hole Trace Soft Mudstone Stone Rock Stone Interior Ornament Natural Stone L Material...Stone