Desk Chair by Thonet, 1920s

The label of this Thonet chair is from after 1921. It will have been produced not very long after that time, in the 1920s. The model resembles that of chair no. 28 from the 1906 catalogue and will be from around 1900. Marked with stamp and paper label.
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