I have 1 unused Mists of Pandaria beta key. I got it from a giveaway a few days ago.
It's not a beta account, it's a unique BETA KEY that you can redeem via Battle.net.
This key is GLOBAL, works for all region expect China and Korea
Price: 50$. Paypal only!
PM me or add me on Skype: tr0gl0d1t4
PROOF
http://imgur.com/phf6Z