What kind of cpu is this?

These came out of some old IBM Thinkpads. First time ive run across these. What are they worth?

http://i1164.photobucket.com/albums/.../Photo0781.jpg

http://i1164.photobucket.com/albums/.../Photo0780.jpg

This is a slot processor, they go for 10-11 per pound. They look a bit different than the pentium slot processors from desktops.

Make sure you take off the alum heatshink for top dollar.