Yep, they have actually done that before. I saw this happen on other sites, but I am not posting the sites due to no advertising.
OTH,
If you have Proof of Purchase, CD-Key Scans, and Original Email would be a plus to most of the people who are willing to buy the account. No game time is also a good thing and a start as well. I would give you an estimate value of: $230
Some would disagree. It's just an estimate.