Made by Akumo, Standard Abacus, 23 digits, Birch beads Perfect for distributing to new students... Unopened and stored items from when I was in business. It's about 40 years old, but I think there will be no problem using it. It was about 3500 yen at the time. I think it would probably be worth about 10,000 yen now. There are about 20 abacuses, so please purchase them if you'd like. 2800 yen for a single item 2000 yen per 10 1600 yen for all 20