Unizo Holdings Company is in advanced talks to buy the 27-story Midtown office building at 685 Third Avenue at a price somewhere around $450 million. The Japanese investment firm is negotiating to acquire the building from TH Real Estate, the real estate arm of the investment firm formerly known as TIAA-CREF, for roughly $700 per square foot, Crainâs reported. That works out to a purchase price of approximately $450 million for the 646,422-square-foot tower. A [âŚ]