Lot of 2 bistro chairs

Lot of 2 curved wooden bistro chairs: one from the Josef and Jacob Kohn factory and the other of the same style but not signed. Early 20th century. They are in their juice, with some scratches and traces of wear of time but solid and perfectly usable. Size. Chair 1 (signed): photos 2 to 5. Chair height: 86 cm/ seated height: 45 cm / seated diameter: 37 cm. Chair 2: photos 6 to 8. Chair height: 87 cm/ seated height: 46.5 cm / seated diameter: 38 cm.