This is an Eames Aluminum Group Management Desk Chair, originally designed by Charles and Ray Eames for Herman Miller in 1958. These examples date to 1982. The design includes a solid yet lightweight aluminum frame with a seat upholstered in purple fabric. The base features a full 360-degree swivel with a manual lift function. The listed price includes one chair and there are two available to purchase. The chair measures 21.25 inches deep, 22 inches wide, and 33 inches high, with a seat height of 18.5 inches. These pieces show wear consistent with previous use, including surface blemishes to the fabric and scuffs on the frame. Overall, the chairs are in good vintage condition. Please see photos.