This gorgeous home offers 3,100-square feet of superbly designed and highly functional space accented by soaring ceiling heights and the distinctive cast-iron arched windows of the famed Tiffany building on Union Square. With all the bells and whistles one could possibly want included in this luxury property, what’s most unique is that there is an apartment within this unique home, located just off the entry gallery. The spacious and private fourth bedroom is outfitted with a full kitchen, bathroom and laundry, as well as a full-sized wine cooler, offering enhanced flexibility as a self-contained guest suite or staff quarters within the privacy of the larger home.