Van Gogh or not?

‘Auvers, 1890’, bought at auction for a few thousand dollars, would be worth millions if it were declared the work of Vincent van Gogh. — Peter Fisher/The New York Times

STUART Pivar, a 94-year-old chemical engineer in New York, has spent a lifetime collecting art and antiques.

His collection of around 300 pieces includes works by Jean-Michel Basquiat, Jackson Pollock, Edgar Degas – and a portrait of himself by his friend Andy Warhol.