Welcome to 9/10B, a stunning duplex where pre-war charm meets Park Avenue elegance. A private elevator landing leads you to the front door of this grand, thoughtfully laid out 8-into-7-room home. A gracious gallery brings you to the sun-drenched Living Room and Dining Room which is complete with a wood burning fireplace and beautiful views overlooking Park Avenue. The sizable eat-in chef's kitchen/great room is perfect for relaxation. The first floor of this duplex also contains a home office, bedroom, and a full bathroom. Upstairs you'll find the primary bedroom which is equipped with ample storage space as well as an en-suite bathroom and Park Avenue Views. The generously proportioned second bedroom is also equipped with an en-suite bathroom. This beautiful home is in excellent condition and features unusually high ceilings and a washer/dryer. Built in 1909, this preeminent pre-war co-op has a full-time doorman, concierge, live-in resident manager, storage and a newly designed fitness center. The building allows pets and 65% financing. There is a 2% flip tax. Call us for a private showing.