Wooden black abacus, easy to use with a stopper. - Type: Abacus - Color: Black - Material: Wood - Condition: Good - Features: With stopper - Maker: Unshu Haruo (name inscribed on the back) Purchased and used only a few times, then stopped, so it's in beautiful condition. Comes with a case. It cost 12,000 yen when purchased. Thank you for looking.