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Unshudo Portable Abacus, 17 Digits, Masterpiece Craftsmanship, Ebony Beads, with Case
Product Details
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This Unshudo abacus made of ebony is a rare model, as the beads are no longer produced.
It is a substantial abacus with ebony beads, characterized by its stable feel in hand and smooth bead movement.
There is an inscription on the inside of the frame, believed to be hand-carved, reflecting the meticulous craftsmanship.
■Condition
There are minor scuffs from use, but overall it is in good condition.
The beads move smoothly and are perfectly functional for practical use.
■Recommended Points
?Rare ebony specification, no longer produced
?Luxurious appearance, ideal for collectors
?Very easy to use as a practical abacus
Please understand that this is a used item before purchasing.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.


