Price is for each chair 1 Left  available in Grey  Plus I have other colours 
These are the Brilliant Fully Adjustable Egonomic Grey Office Swivel Chairs by Humanscale Model is Freedom Chair 
Refurbished to look nearly New.  I can't really see a mark on them 
These chairs are great for home or office for working in total comfort throughout the day. 
They are Seat Height. Arm Height and Back Height Adjustsble. Seat Depth Adjustable with a rake back angle. The chair moves with you to keep yoir back supported 
One of the best chairs on the market. Viewing and trying these is highly recommended. New these cost around £900 each 
Please look at my other commercial items. Card accepted. Invoices wrote and friendly environment.