EXCLUSIVE NEWLY LISTED  Bright & Spacious: Top-Floor Junior-4 (Convertible 2-Bd.) Co-op with Dining Room    This spacious Junior-4, 1-bath apartment is on the top floor of Oxford Arms (3512 Oxford Avenue), a postwar co-op building conveniently located for shops and eateries on Johnson and Riverdale Avenues. It enjoys a bright and open western exposure and has a windowed dining room that could be converted into a small 2nd bedroom or private office.    Other features include: an entry foyer; living room; renovated kitchen with polished Blue Pearl granite countertops and GE appliances (stove, refrigerator and dishwasher); bedroom with a double closet; renovated white-on-white bathroom; hardwood floors; 6th (top) floor; outdoor common space for entertaining. Monthly Maintenance $893.78. Seller will pay off the assessment of $66.83 that expires on 6/30/23.