MLB 1990 Upper Deck Baseball Complete Card Set | 800 Cards

The 1990 Upper Deck Baseball complete set consists of 800 cards, typically issued in two series: low numbers (1-700) and a high-number subset (701-800). Key rookie cards include Sammy Sosa, Juan Gonzalez, Larry Walker, David Justice, and John Olerud, with highlights including Nolan Ryan, Ken Griffey Jr., and Bo Jackson. Officially licensed MLB collectible.