Real estate honcho David Levinson sells NYC mansion for over $50M

Real-estate investor David Levinson, chairman and CEO of L&L Holdings, and his wife Simone are in contract to sell their Upper East Side mansion for a price that is “in the fifties,” a source said — meaning more than $50 million. They bought the home, at 11 E. 69th St., for $9.5 million in 2004,…