I lost my cd case for Diablo2 and cannot play this $50 gem that I <BR>purchased. Blizzard wants me to write an essay on how I lost the key and then send it with my original play CD and ten bucks for ...

I've been starring at Google for HOURS, trying to figure this out.<BR><BR>I have two copies of Diablo 2, one of which I sold. I am going to send the CDs to the buyer, but I am not sure which key to ...