Ken Griffey Jr.'s rookie cards, like the 1989 Upper Deck Star Rookie, hold significant value for collectors, with some reaching over $2,000. The 1991 Topps Desert Shield cards, distributed to ...

July 5, 2006; Milwaukee, WI, USA; Cincinnati Reds center fielder #3 Ken Griffey Jr. makes a leaping catch on the fly ball hit by Milwaukee Brewers pinch hitter #27 Brady Clark at Miller Park.

The Mariners had a Ken Griffey Jr. glove giveaway day, and Boyd, then 5, was thrilled to get a mitt modeled after his favorite player that had the slugger’s signature printed on the thumb.

Ken Griffey Jr. 1989 Fleer #548 — 65,732 total PSA population This is the third 1989 Griffey on this list due to Topps no longer having exclusive card rights to MLB players at this point in time.