National in excellent condition. Booklet of origin present. Completely revised. Approved by ACP. Telephone of the time. "The NSU TT were truly fantastic cars in their time. With their 65 horsepower air-cooled engine, they were sold both for family use and for the most demanding drivers. Contrary to what many people think, they were very reliable. . For this very reason, their mechanics were often taken to the greatest excesses, not always with success. With an agile and neutral behavior, they managed to overcome cars with much greater power"