Laminated birch plywood, painted to the reverse, painted steel frame. Marked with a red 'K' to the underside of the seat. The metal parts were produced by Aug- Louhen Rautasänkytehdas in Turku.
The model was only produced very briefly in the 1930's before being discontinued.
Provenance: Paimio Sanatorium, Finland Family Välilä, Turku, Finland
Literature: Pirkko Tuukkanen, ed., 'Alvar Aalto: Designer', Vammala, 2002, pp. 71-73,164 for a drawing Thomas Kellein, 'Alvar & Aino Aalto. Design: Collection Bischofberger', exh. cat, Kunsthalle Bielefeld, 2004, p. 25
Produced by Huonekalu-ja Rakennustyötehdas Oy Turku.