“The outstanding features of this armchair are elegance, timelessness, and high seating comfort. Added to this is a lightness that only a cantilever model can offer. While the first tubular steel chairs from the 1920s had hardly any upholstery, the 1935 Thonet catalog already featured a whole series of voluminously upholstered armchairs and sofas. Thonet's own design of the S 411 from 1932 probably marks the beginning of this new product series." - Thonet website 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