Set 4 Dining chairs designed by Marian Grabiński . Produced by Swarzędzka Furniture Factory in Poland. Completely restored, Surface has been polished and refinished. Beech elements cleaned from the old surface and painted with a oak colored mordant and polished with a strong semi-gloss lacquer. Sponges replaced and covered in a new qulity black natural leather. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution