The 1989 Upper Deck Ken Griffey Jr rookie card ranks among the most iconic sports cards in the world, right alongside the 1952 Topps Mickey Mantle and the 1986 Fleer Michael Jordan card. But do you know the history behind Griffey's rookie card? The very first card in Upper Deck's very first set -- which is a set that pushed the sports card industry into new heights! Most of these nine amazing facts come from the book, "Mint Condition: How Baseball Cards Became an American Obsession," by Dave Jamieson Here's a link to the book on Amazon: Kindle - $2.99 - https://amzn.to/3DWE8jj

Hardcover - $17.48 - https://amzn.to/3DADzKq

Paperback - $15.69 - https://amzn.to/3SZ6Y6L

Let me know in the comments section if you own a 1989 Upper Deck Ken Griffey Jr rookie card, and if you got it graded, what grade did you get? Mine is a PSA 8, and I'm super happy with that childhood charm!