Vintage dinner menu from the famous Borscht Belt resort Grossinger’s, 6.5 x 9.75, June 20, 1959, signed in ballpoint by Rocky Marciano and film producer David O. Selznick, each inscribing to Ben. Accompanied by a certificate of authenticity from James Spence. Small collector’s ink notations, and a few tiny spots to interior, otherwise fine condition. Auction LOA Steve Grad/PSA/DNA and RRAuction COA.