Ken Griffey Jr. cards are highly sought after by collectors and can be quite valuable depending on the card's condition and rarity. The following is a list of some of Ken Griffey Jr.'s more valuable cards:
* 1989 Upper Deck #1 Rookie Card - Up to $5,000
* 1990 Leaf #300 - Up to $2,500
* 1991 Topps Desert Shield #333 - Up to $800
* 1993 Finest Refractor #279 - Up to $600
As with any collectible card, the value can vary greatly from one example to another based on its condition.