http://cgi.ebay.com/ws/eBayISAPI.dll...m=4124032764&c
Read the subject...then scroll down and look at the picture.
Idiot. Apparently he tried to sell a CD key, and neglected to look at his picture BEFORE he posted.
Edit: Translation via Babelfish:
It concerns here an original Diablo 2 CD covering with CD key. That CD key is an original Diablo II cdkey, who wants can gladly before the purchase examine.
That CD key is not no more used by me, I him under catch was also otherwise up to now always held.
Correction: I unfortunately already threw the covering into the garbage. Therefore verteigere I here not the covering but a printed out photo of the covering.