![File:Sofa bed, designed by Alvar Aalto, Heteka O.y., Helsinki, Finland, c. 1930, steel tube, cushion - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09546.jpg - Wikimedia Commons File:Sofa bed, designed by Alvar Aalto, Heteka O.y., Helsinki, Finland, c. 1930, steel tube, cushion - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09546.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Sofa_bed%2C_designed_by_Alvar_Aalto%2C_Heteka_O.y.%2C_Helsinki%2C_Finland%2C_c._1930%2C_steel_tube%2C_cushion_-_Museum_f%C3%BCr_Angewandte_Kunst_K%C3%B6ln_-_Cologne%2C_Germany_-_DSC09546.jpg/1280px-thumbnail.jpg)
File:Sofa bed, designed by Alvar Aalto, Heteka O.y., Helsinki, Finland, c. 1930, steel tube, cushion - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09546.jpg - Wikimedia Commons
![112: ALVAR AALTO, sofa, model #44 < Modern Design, 4 June 2000 < Auctions | Wright: Auctions of Art and Design 112: ALVAR AALTO, sofa, model #44 < Modern Design, 4 June 2000 < Auctions | Wright: Auctions of Art and Design](https://www.wright20.com/items/index/2000/112_0_modern_design_june_2000_alvar_aalto_sofa_model_44__wright_auction.jpg?t=1517394112)
112: ALVAR AALTO, sofa, model #44 < Modern Design, 4 June 2000 < Auctions | Wright: Auctions of Art and Design
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