2x Soroban 1:4
27 columns / Vintage / Wood, Plastic & Textil. Imported from Japan, based on the condition of the bags and the frames both must be from 1970~. There are also names of the (maybe) previous school / student owners on some frame parts.
Personal collection of vintage and modern Abacuses / Abaci.
27 columns / Vintage / Wood, Plastic & Textil. Imported from Japan, based on the condition of the bags and the frames both must be from 1970~. There are also names of the (maybe) previous school / student owners on some frame parts.