Official 1980 US Open Championship golf brochure featuring 12 signatures in blue ballpoint, one of which remains unidentified. Issued by the United States Golf Association, the brochure's white background displays areas of gentle toning around the edges with moderate wear to the spine. Signatures include: 1) John Adams 2) Jack Albus 3) Andy Bean 4) Bob Gilder 5) Fred Haney 6) Robert Landers 7) Gene Littler 8) Jack Nicklaus 9) Tom Shaw 10) Craig Stadler 11) Mike Watney 12) Unidentified. Measures 8.5" x 11" unfolded as shown in our main image. Full LOA from James Spence Authentication.