The product is a 1961 500 Festival Open Invitational Golf Pairings event held at the Speedway Golf Club in Indianapolis. This event likely featured a unique pairing of golfers in a special format, possibly with the theme of the Indianapolis 500 race. Golf enthusiasts and fans of the Indy 500 would have been able to enjoy this exclusive opportunity to participate in a special golf event while showcasing their love for both sports.