RICHARD JOHNSON: Warhol’s famous Polaroids headed for exhibit in NYC

RICHARD JOHNSON: Warhol’s famous Polaroids headed for exhibit in NYC

Andy Warhol would be amazed and proud that the Polaroid pictures he took — and often handed out for free — are worth $25,000 apiece today. Art dealer Isabelle Bscher of Galerie Gmurzynska is opening a show in Zurich, Switzerland next month with Warhol’s snapshots of Mick Jagger, Grace Jones, Jim Morrison, Lou Reed, Christina Onassis, Keith Haring and Candy Darling. The show, coming to New York in the fall, also features paintings by Ronnie Cutro…