Socialite Shafi Roepers is finally getting serious about selling her pricey Fifth Avenue co-op. It’s now on the market with a $10 million price chop. Two years after listing the unit, located on the third floor of 4 East 66th Street, Roepers is now asking $55 million for the pad. She’s also swapped brokers, replacing Serena Boardman of Sotheby’s International Realty with Brown Harris Stevens’ John Burger. At around 7,000 square feet, the new asking […]