Chairs art nouveau in curved wood Jacob & Joseph Kohn 1905

3 art nouveau style chairs in arched beech, authentic manufacture by j&j kohn year 1905. Identification and allocation labels and stamps under seat. Round seat - diam 40.5 - height 47 cm, embossed cake shell pattern. Good general condition given their age of almost 120 years. Some restorations- foot reinforcement. See photos.