The Unshudo Abacus Soroban with 23 digits is a vintage educational toy originating from Japan. The brand Soroban is known for its quality abacuses, and this product comes in its original box with a price hang tag, making it a collectible item for enthusiasts of traditional Japanese mathematics tools. Perfect for those interested in mathematics and educational toys, this abacus offers a unique and authentic learning experience with its intricate design and historical significance.