Welcome to "the Jackson'', located within the prestigious Signet Residences, one of seven exclusive homes set at the top of Beacon Hill's most desired gas lit street. Deep history meets modern luxury at this unique address; originally Governor William Caflin's private mansion. Perfectly preserved architectural details are highlighted amongst modern luxury such as oversized bow windows, a chef's kitchen, Carrera marble baths, a gas fireplace and incredible closet space. High ceilings, spacious rooms and white oak flooring throughout bring an elevated experience; all features not often found in a Boston Brownstone. An elevator, fitness room, deeded storage, unit generator and keyless entry are additional highlights of the home. A rare offering and a true luxury experience in Boston's best neighborhood.