Josef HOFFMANN Chair mod. 371 "Siebenkugelstuhl" chair Circa 1906 Stained beech frame, leather seat Jacob & Josef Kohn publisher Publisher's stamp on reverse 110 × 41 × 42 cm Provenance: Private collection, Austria Exhibitions : Ahlen, Kunstmuseum Ahlen, I Am Chair, from 18 February to 1 May 2018 Bibliography: Charlotte and Peter Fiell, Modern chairs, Taschen, 1994, p. 46 Josef HOFFMANN A tinted beechwood and leather "Sevenballs" model 371 chair by Josef Hoffmann for Jacob & Josef Kohn - circa 1906 43.30 × 16.10 × 16.50 in.