De Sede DS 600 endless Sofa by Ueli Berger & Riva  

1972 by De Sede, Switzerland 

De Sede DS 600 Sofa in cognac Leather by Ueli Berger  

25 elements, 1972 for De Sede 

De Sede DS 600 Sofa by Ueli Berger & Riva - black & brown Leather  

1972 by De Sede, Switzerland 

De Sede DS 600 endless Sofa by Ueli Berger & Riva  

1975 by De Sede - 24 elements in caramel leather