Ludwig Mies van der Rohe
(German-American, 1886–1969)
Barcelona chair, c. 1972 Knoll International, USA
stainless steel, leather
with ‘Knoll International’ tag on underside of seat cushion.
29½ h × 30 w × 31 d in (75 × 76 × 79 cm)

 

reference:  https://www.moma.org/collection/works/4369