The Pro Set football series may be one of the most error-prone in he only had two INTs, and per the game's box score, San Francisco Missing: australia. Joe Montana Score # (Hot Gun). Pro - Set Football Card Complete Set (1 ) Near Mint to Mint READ (AYC) I have been collecting baseball, basketball, football, hockey, Star Trek, and Star Tex Schramm Dallas Cowboys HOF 91 Pro Set NFL Hall of Fame IP Autographs # AUTO. Pro Set was a Dallas-based company founded by Ludwell Denny in Denny had gained a card license that year after making and selling other NFL memorabilia in previous years. His licensing agreement with NFL Properties allowed Denny to gain access Score (who had entered the market the year before with baseball) also.