The listing, Duke Nukem First Access Code 360 has ended.
This Auction is for a Duke Nukem First Access Code.
I've got another one for you guys
Originally, the code had been announced as an early access pass to the demo, but according to the official Gearbox community blog, Community Manager Chris Faylor, Duke Nukem Forever First Access Club members will be getting more than just an early demo. Gearbox announced that members will also receive the first multiplayer add-on DLC free of charge.
also, the image shown is a stock image, not the actual one in my possession, so the code you're bidding on would be unused.