The 1991 Upper Deck Final Edition Baseball Factory Complete Set is a standard size sports trading card collection featuring players from Major League Baseball. Manufactured by Upper Deck in the United States, this original set includes cards from teams like the Boston Red Sox, Montreal Expos, New York Mets, and Baltimore Orioles. With a focus on the 1991 season, this complete set offers collectors a comprehensive look at the players and teams of that era in baseball.