The late and great Joan Rivers was the queen of comedy. Fittingly, the comedian, actress, and television host resided, up until her death, in a gilded palace on Manhattan’s Upper East Side—a little piece of Versailles in NYC. When she passed away in 2014, the ornate penthouse, where she lived for 28 years, was sold for a reported $28 million, and earlier this year the home was re-listed for $38...