Thonet - Stool - Beech

Piano stool produced by Thonet, made with the classic use of hot bent beech wood, Vienna straw seat and metal screw mechanism.
The stool has been recently restored and repolished, photos from before the intervention are attached, preserving the original black color and also the seat with the equally original Vienna straw, the screw mechanism is perfectly functional.
Specifically, it is stool number 5001, present in the Thonet catalog of 1904. The photos extrapolated from the relevant catalog are attached.
Dimensions:
seat diameter 39 cm.
minimum height 50 cm.
diameter at the base 54 cm. about.