My comments are included in today's ARTnews article about the Bazelon et al v. Pace Gallery case regarding a sculpture whose attribution to Louise Nevelson is in question:

And as New York–based adviser David Shapiro, a certified member of the Appraisers Association of America, put it, “An appraiser’s job is to reflect what’s happening in the market. If we think a work wouldn’t be perceived as authentic, that must factor into the value. And if new information emerges, an appraiser can change their mind—so long as it’s disclosed.”