Sofa "Model 121" from the "Paper Knife" series. Kai Kristiansen for Magnus Olesen, Durup. Circa 1967/1968. Kai Kristiansen 1929 Denmark. Rosewood and black leather. Three seater. Slender frame construction on four round bar legs that swell slightly in the middle, on top of which are the slightly convexly curved armrests. The flat backrest, mounted at an angle in the frame construction, reinforced with eight vertical wooden slats. Backrest and seat cushion of foam, covered with black leather, loosely resting, spring covering. In the inner frame a fragment of the typographically inscribed label with the seller's mark "Domus Danica" and the certification "Danish Furniture Makers Control". Year of design: 1956. Very slight signs of wear.Leather of the upholstery with scattered light scuff marks, light rubbing in the area of the armrests and with stretch creases. Two tension springs missing. Foam of the seat cushions porous, the outer seam of a double seam open. Dimensions: h. 75 cm, w. 165 cm, d. 78 cm, seat height 40 cm. Kai Kristiansen 1929 Denmark Danish furniture designer.Trained as a cabinetmaker. From 1948 studies at the Royal Danish Academy of Fine Arts in Copenhagen with Kaare Klint. 1955 Opened his own office in Copenhagen, focusing on production in the Danish Modern style. 1956 Kristiansen designed his most famous work, the No. 42 chair for Schou Andersen. From 1970s management of his office with Illum Wikkelsø. 2014 Designer collaborated with Miyazaki Chair Company in Japan to redevelop some of his classic designs. 2016 Cooperation with Great Dane Furniture to release another reissue of his designs that became popular in the mid-1950s. Kai Kristiansen lives and works in Copenhagen.