"He is up front about the fact that his proposed catalogue raisonné addition 'has no connection to the official Andy Warhol Catalogue Raisonné sponsored by the Andy Warhol Foundation for the Visual Arts.'"

Richard Polsky is expanding his Warhol authentication services to include an "addendum" to the Warhol catalogue raisonné, which will include "works that have been previously rejected by the Andy Warhol Foundation for the Visual Arts."