Cantilever Dining Chairs by Jean Prouvé for Tecta, 2000s, Set of 5

The set including two pieces D20 chairs, designed by Jean Prouve.This chairs is with armrests. We performed a professional repair on the metal part of the bottom of one of the chairs. The seating surfaces are flawless. The set is including three pieces B20 chairs, designed by Axel Bruchhauser. This piece has an attribution mark,
I am sure that it is completely authentic and take full responsibility for any authenticity
issues arising from misattribution