Perched atop the 20th and 21st floors of a premier Fifth Avenue cooperative, this grand, sun-flooded 11-room duplex penthouse offers panoramic Central Park views, refined interiors, high ceilings, and coveted on-site parking at a discounted rate. Spanning approximately 3,300 square feet interior and 545 square feet exterior, the residence features 4 bedrooms, 4.5 bathrooms, a wraparound terrac...