Bring your architect and your imagination. This spacious nine room maisonette duplex has ten windows overlooking Park Avenue.  As you may enter the home from the street or from the building's lobby it has the charm of a townhouse but with all the services of this fine, prewar cooperative.  From the gracious entry foyer on the first level you'll find the corner library with exposures west and north, a lovely inlaid-pattern hardwood floor, 9' 4" beamed ceiling and a marble, decorative fireplace mantle.  Also on this level is a study, full bath, and bedroom with windowed bath en suite.  The second floor may be reached by the staircase or by elevator where you have a semi-private landing.   The corner living room has windows west and north, a wood burning fireplace and herringbone patterned hardwood floor. The dining room has the original casement window and the same beautiful floors as the living room.  A corner den with two exposures and strip hardwood floors off the dining room may also be used as a third bedroom as it has a windowed bath en suite.  The master bedroom overlooks Park Avenue, has strip hardwood floors and a windowed bath en suite.  Additionally on this floor is the kitchen, staff room and staff bath.  Thru wall a/c in all rooms but master and second bedroom.  Built in 1929 and designed by Pleasants Pennington and Albert L. Lewis.