Exhibition baseball game in US between celebrities and professional baseball players

Close shot of celebrity in baseball uniform standing on playing field posing for photo opportunity / comedian Joe E. Brown sitting in stands announcing game at microphone / female celebrity standing in infield throwing baseball, comic actor Buster Keaton in baseball uniform next to her; photographer in bg shoots photo / crowd in stands / pitcher throws pitch and celebrity in batting box hits ball and runs down first base line / pitcher winds up to throw pitch, turns and flips ball back to man in clown outfit who flips different ball back to him, then pitcher throws pitch, other man in clown outfit watching / close shot of celebrity throwing ball / celebrity hitting pitch and running / another celebrity hitting pitch and running / same celebrity slides into first base and is tagged out by professional player on first base / women in stands applauding / celebrity hitting pitch / ball flying through air / close shot of celebrity out in field acting nervous / cloud of dust rising from celebrity sliding into base / Note: exact year not known; documentation incomplete