For the Barcelona Pavilion, that methodology spawned, among other furnishings, the Barcelona chair, a lounge seat that’s endured as a design icon for almost a century.

Regardless, it’s a bestseller. The Barcelona chair, designed by Mies van der Rohe in 1929, has been in continuous demand since that date. Pictured, a campaign from 1968.

There’s another Barcelona chair on hand this week, one that’s 20 years older than the one by Mies. Everyone knows Gaudí’s architecture; his furniture is a more esoteric thing.

Antoni Gaudí's Batlló Chair Gets Limited Reissue by BD Barcelona & CASA VALLE for NYCxDesign: A foundational design in Catalan's "Modernisme" movement, the early-1900s chair boasts satisfyingly ...

Rare 18-karat-gold-plated Mies van der Rohe–designed Barcelona lounge chair Special half-lap detailing drawn from the original blueprints Manufactured by Treitel-Gratz and recently restored $25,000 ...

Like the Barcelona Chair, the Tugendhat Chair was designed for a building. The three-story Tugendhat Villa was completed on the heels of the Barcelona Pavilion in 1930. Built on a steeply sloping site ...

Past Auction Ludwig Mies van der Rohe German, 1886–1969 Ludwig Mies Van Der Rohe For Knoll International "Barcelona" Chair, 1929 Medium chromed steel, leather Size 30 x 30.5 x 31 in. (76.2 x 77.5 x 78 ...

Originally designed by Mies van der Rohe in 1929 — the same year he designed the Barcelona Chair — the Tugendhat features a thick, untufted seat (and optional armrests) to ensure maximum comfort.