I'll give you $10 for it. I can use it to replace one of my Audi keys.
http://986forum.com/forums/diy-project-guides/56448-diy-making-cheap-spare-keys.html
Also, I bought a parts car (insurance salvage) without a key. I sent a letter to the former owner on the chance that I might get a key and never received a response. I would have paid some good money for that key.