1977 and 1980 USA Grand Prix official Formula 1 Watkins Glen event posters, both bearing specially commissioned images after Michael Turner, now rolle

1977 and 1980 USA Grand Prix official Formula 1 Watkins Glen event posters, both bearing specially commissioned images after Michael Turner, now rolled, originally issued folded, fine condition, the first 71 by 51cm., 28 by 20in., the second 84 by 43cm., 33 by 17in.; sold with three unused event tickets with counterfoils: two for Saturday practice and raceday 1977, the other raceday 1980 (5)