1991 Upper Deck UD Baseball Factory Set

Distributed as a first series (#1-700) and High Series (#1-800). Factory sets include #1-800. Hologram on the back is the 1991 style (multiple lines of "Upper Deck" text with "91" mixed in, "Upper" and "Deck" aligned in different directions), but variations with 1990 and 1992 patterns also exist.

Key Rookies:

Eric Karros

Jeff Conine

Chipper Jones

Mike Mussina

Mike Lieberthal

Luis Gonzalez

Jeff Bagwell