Van Gogh or Faux? Weeding Out Fakes Is Starting to Take a Toll.
Stuart Pivar, a 94-year-old chemical engineer who lives in New York, has been collecting art and antiques since he was a child. He estimates he has picked up about 300 pieces over the years, including a portrait of himself by his friend Andy Warhol and paintings by Jean-Michel Basquiat, Jackson …
