Personal check, 6 x 2.75, filled out and signed by Robinson, “Jack R. Robinson,” payable to United Airlines for $13.16, July 17, 1965. Accompanied by letter of authenticity from his widow, Rachel Robinson, and housed in a presentation folder. In fine condition, with two bank stamps to front, one lightly affecting first two letters of signature. Auction LOA Steve Grad/PSA/DNA and R&R COA.