Retro wooden five-bead abacus, 2 sets - Type: Abacus - Material: Wood - Engraving: Eirin Bicycle - Engraving: Yasuda Shokai - Size: 11cm (H) x 33cm (W) x 3cm (D) Believed to be from the late Taisho to early Showa period. These are old items and have scratches and cracks, but please understand them as retro items. Thank you for viewing.