This is an Aluminum Group Management Desk Chair, Model EA335, originally designed by Charles and Ray Eames for Herman Miller in 1958. These particular examples date to 2001. The design includes a solid yet lightweight aluminum frame, and the upholstery is done in green leather. The chair offers a tilt feature with locking capability, a full 360-degree swivel, and a manual lift mechanism. The listed price includes one chair and there are six available to purchase. Each chair measures 21.25 inches deep, 22 inches wide, and 33 inches high, with a seat height of 18.5 inches. The chairs do show wear consistent with previous use. There are minor scuffs and scratches on the frame and base, as well as lighting creasing in the leather and wear apparent at the corners. Overall these pieces are in good to very good condition. Please see photos.