These are sophisticated modern 'Art Collection' armchairs, produced by Walter Knoll in Germany. These examples date to 2003. Their design features a sleek chromed-steel cantilever sled base, and has upholstered arms and shell that are done in a smooth black leather. The listed price includes one chair and there are four available to purchase. Each chair measures 24.5 inches deep, 24.5 inches wide, and 32.25 inches tall. Their seat height is 15.75 inches, and their arm rests are 24 inches high. These chairs are in great shape, having only minor scrapes and scuffs to their bases. There are some fine creases on the leather. Overall, these chairs are in very good condition with some signs of wear. Please see photos.