Which Bently Is This Key Belong for?

Hi was just wondering

Which Bentley type :S does this key belong to?
(Make and Model)

Also how much does it cost?

http://img165.imageshack.us/img165/3335/bentleykeyfe9.png (http://imageshack.us)

It belongs to a Bentley Continental line. The GT, Flying Spur. On eBay they go for about $100.00 and up...