1991 Upper Deck Factory-Sealed Low-Number Case - 20 Boxes with 36 Foil Packs Per Box. Lot 410. 1991 Upper Deck Factory-Sealed Low-Number Case - 20 Boxes with 36 Foil Packs Per Box. Chipper Jones’ rookie is the key card in the 1991 set. The case contains more than 10,000 cards. Winning Bid $50. Back to List Winning Bid $50 Back to List