Brabham team correspondence with Watkins Glen circuit

Between Bernie Ecclestone and Malcom Currie, September, October 1973 and August 1974, talking about the Grand Prix of the U.S., those two years, sponsorship regulations, accommodation and entry for Carlos Reutemann, Carlos Pace, John Watson and Andrea de Adamich. A- cond. (creases, fold marks and hand written notes), Lot of 3.