This splendid 25 wide townhouse on a tree-lined Gramercy residential block exudes grandeur and elegance. its graciously imposing proportions are conducive to great entertaining, while the intimate spaces are inviting for more peaceful reflection and relaxation.   This late Greek revival house with Italianate touches was built in 1842 by William D. Dodge and with its neighboring house is the oldest building in the Stuyvesant Square Historic district. The two houses were built for two sisters with a connecting door.   The double parlor with its soaring ceilings, fiddleback Brazilian mahogany pocket doors and floor to ceiling windows overlooks a luscious south-facing planted garden surrounded by others. Replete with original detail which include ceiling and wall moldings,   original staircase, handsome fireplace mantles, this remarkable house boasts additional 4 enormous bedrooms and 3 smaller ones, 4 bathrooms, 3 powder rooms. The owners of this remarkable historic home have kept its integrity intact and have continuously maintained   its solid infrastructure. Truly divine and not to be missed.