Well Duh, Because It’s Gus Van Sant.

Finally, someone’s saying something about the inconsistencies, conflicts and caprices of the Warhol Authentication Board, which is wreaking quiet, opaque havoc on the market for Andy Warhol’s artworks. The BBC is showing a documentary on the Board tonight on BBC1 called “Andy Warhol: Denied”.
The above self-portrait, from 1964-65, for example, which Warhol gave as payment to Richard Eckstract, an important collaborator in Warhol’s films, was subsequently declared inauthentic.
Is this a real Warhol? [telegraph.co.uk via boingboing]