The 1989 Upper Deck Baseball Factory Sealed Hi Series Set is a highly sought-after collection of baseball trading cards featuring players from the Major League (MLB). Manufactured by Upper Deck in 1989, this set includes 100 cards numbered #701-800. Each card captures a moment in the 1989 baseball season, making it a valuable addition for collectors and fans alike. This factory sealed set ensures that the cards are in pristine condition, adding to their overall appeal and desirability among sports trading card enthusiasts.