De Sede DS44 3-seater sofa in buffalo leather, Switzerland 1970s

De Sede DS44 3-seater sofa made in Switzerland in the 1970s. Extendable seat, 90 cm to 105 cm depth when extended. Thick buffalo leather, beautiful complex chestnut brown colour. Very good condition, structurally sound, signs of age and use, strongly patinated leather. DS 44 3-seater sofas have become quite rare items, hard to find.