The 1990 Upper Deck Baseball Cards Complete Set is a vintage collection featuring a total of 800 cards, manufactured by Upper Deck in the United States. This factory-sealed set includes high numbers 1-800, showcasing players from Major League Baseball. Each card is made of card stock and includes a hologram feature, adding to the authenticity and collectability of this classic sports trading card set from the 1990 season. A must-have for any baseball card collector looking to complete their collection with this iconic set.