You are looking at a pair of KEF B200 SP1014 mid bass speaker drivers.
These drivers were removed from a LINN Index loudspeaker.
The part number is SP1014 and is also known as a B200.
Great condition & in excellent working order.
Please see link for dimensions etc.
http://www.hifiloudspeakers.info/Anatomy/KEFDocuments/KEFGermanGallery/pages/p38.htm
99p no reserve.
Please see my other auctions for all things Hi-Fi.
Thanks for looking. HAPPY BIDDING!!