Great article! I think the world's most expensive photograph is from Richard Prince for $3,401,000 in 2007http://digitalfreak.net/2008/01/18/richard-prince-print-sets-auction-record-for-photography-take-2/ Abusive comment hidden. (Show it anyway.)
http://digitalfreak.net/2008/01/18/richard-prince-print-sets-auction-record-for-photography-take-2/