Is Peter Lik's $6.5-M "Phantom" photo really the most expensive?

ANDREW TAYLOR, THE AGE:

"It is not entirely impossible that Lik pocketed the millions of dollars he claims for Phantom. His sales staff are apparently very good at singing his praises and he has galleries in places like Las Vegas, where there is more money than sense.

"The art market is also prone to the same extravagance and irrationality as housing prices and the share market. Extraordinary prices have been paid for contemporary art at auction this year."

Is Peter Lik's photograph really the most expensive? Where's the proof? Read more, here.