This rare high parlor floor classic-5 presents an exceptional opportunity to acquire a classic, grand home with Old World townhouse feel.  The natural flow, thoughtful design and impeccable execution make this the perfect apartment for entertaining in style.  The arched central foyer opens up to a superbly proportioned corner living room 21x17, with side views to Riverside Park and an artist-painted domed formal dining room.  French doors lead to a custom-shelved library 16x13 that also serves as a guest room with its own en-suite bathroom.  The master bedroom features silk wall covering and a marble bathroom.  Recently renovated kitchen with top-of-the-line Miele appliances, Bertazzoni chefs furnace, vented hood, custom hardwood cabinets and Venetian plaster walls.  Original beeswax-burnished oak floors in every room.  Custom glazed walls and woodwork, oversized windows, 106 molded ceilings, meticulous pre-war detail in excellent condition, top-notch fittings and finishes, ample closet space, cabled for audio, high-quality window treatments and through-the-wall AC in each and every room.  The Clarendon, of William Randolph Hearst fame, on one of the Riverside Drives most desirable blocks, is a full-service coop with 24hr doormen, live-in super, gym, storage, play room, bike room, laundry.  Pet-friendly.  Two blocks to the subway and crosstown bus.  Owner broker.