DEAL OFF BACK ON THE MARKET - Unique Park Avenue extra large Prewar Condominium! New to Market, Extremely Rare, and Stunningly Elegant. Enter this approx. 3,450 square foot full-floor unit through its private elevator landing and awe over the remarkable layout. Gracious entry foyer, 5 bedrooms (master and first bedroom with Park Ave views), 4.5 baths, large den/office/library, extra-large formal dining room, double sized kitchen to accommodate full staff, and maids room. 24hr doorman/concierge, bicycle room, and extra storage also available.