don't believe the hype
http://www.buzzfeed.com/samir/banksy-sold-art-yesterday-in-manhattan-and-no-one-knew
http://www.buzzfeed.com/samir/banksy-sold-art-yesterday-in-manhattan-and-no-one-knew
It took hours for Banksy to make his first sale, and it was only after he agreed to a 50% discount from the $60 list price.