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Standard Soroban (Abacus) / 23 digits [43500] by Tomoe Soroban
DESCRIPTION
East Abacus - Soroban. Very popular.;Current standard type;birch ball, ebony frame / 13?.6?.5 (inch) / 6.2 (oz) / Japan Import;1 ball (having a value of five) and 4 balls (having a value of one)
- Standard Soroban (Abacus) / 23 digits [43500]