9 things you didn't know about the Ken Griffey Jr. 1989 Upper Deck

David Gonos reveals nine intriguing facts about Upper Deck's 1989 Ken Griffey Jr. card, one of the most popular baseball cards of all-time.
David Gonos reveals nine intriguing facts about Upper Deck's 1989 Ken Griffey Jr. card, one of the most popular baseball cards of all-time.

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Ken griffey JR rookie card - Sports Trading Cards

1989 Upper Deck Ken Griffey Rookie Card SGC 8! - Sports Trading Cards

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1989 Upper Deck Rookie Ken Griffey Jr Card #1 - Sports Trading Cards

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