Designer restoration of a 3-Bed, 3.5-Bath 2759 sq. ft one level "Mansion Flat" condominium.  Truly, the highest level finishes and best value psf of any luxury listing in Boston. Located in one of Back Bay's most beautiful buildings and locations, this unique corner home boasts 20+ windows (restored with double paned glass, and Argon gas filled for insulation and soundproofing) with 4-side exposure, offering abundant light and amazing Commonwealth Mall views.  The exquisite renovation includes custom milled American Walnut floors, custom quarried blocks of Italian Statuario Marble for kitchen and baths from Cumar, a Poggen Pohl kitchen, with La Cornue cooking and Sub-Zero refrigeration, and Waterworks bathrooms.  Other top of the line amenities include central air, steam room, in-unit laundry, a water filtration system, radiant heat throughout the entire home, smart house technology with Cat-6 wiring, intercoms and a centralized AV closet.  Truly one of a kind.  5 Years Parking Offered