Legendary golfer; he won US and British Opens plus U.S. and British Amateurs in 1930 to become golf's only Grand Slam winner ever; from 1922-30, won 4 U.S. Opens, 5 U.S. Amateurs, 3 British Opens, and played in 6 Walker Cups. Jones also founded Masters tournament in 1934. Ballpoint signature, “Robert T. Jones, Jr.,” on an off-white 5 x 3.25 card. In fine condition, with collector’s notations and captions above and below signature, all easily matted out to produce an attractive example for display. COA Steve Grad/PSA/DNA and R&R COA.