The 1991 Upper Deck Set has a total 848 cards. The main set is 800 cards (1-700 Low Series, 701-800 High Series).The additional specialty cards are as follows: 3 SP Cards, 9 Nolan Ryan Baseball Heroes, 1 Nolan Ryan Autograph #/2500, 9 Hank Aaron Baseball Heroes, 1 Hank Aaron Autograph #/2500, 4 Heroes of Baseball, H1-H4, 3 Heroes of Baseball Autograph #/3000 H1-H3, and 18 Silver Slugger. The card is of premium stock and glossy. The front of the card has a picture of the player bordered in white. The bottom of the card has a thin banner of the players name. The top left corner has the UD Logo The back is card stock gloss white and Typically has another picture of the player. There is also a Hologram UD Logo stamped on the back.