Scandal-plagued billionaire Guy Wildenstein, who is awaiting a judge’s decision in a vast tax fraud scheme in France, appears to be getting desperate to sell his Sutton Square mansion. The 70-year-old heir to the Wildenstein art fortune has chopped $10 million off the asking price for his double-wide townhouse at 7 Sutton Square, which is now asking $39 million, down from $48.5 million.