Junior Mint: The enduring popularity (and ubiquity) of the 1989 upper deck Ken Griffey Jr. Card: When Griffey hits home run No. 600, don't look for the value of Upper Deck No. 1 to skyrocket. After all, there's likely a card in circulation for every person living in the city centers of Cincinnati and Seattle. That sheer quantity, though, does mean that the lasting image of Ken Griffey Jr. won't be anything he does on the baseball field. It will be a picture of an overjoyed teenager in an airbrushed Mariners hat.