It’s a Warhol because he says it is by Rainey Knudson June 26, 2008 FacebookTwitterEmail A former assistant to Andy Warhol has sued artist John Chamberlain over a silkscreened portrait of the latter that the assistant claims he, not Warhol, made. 0 comment Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Δ