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.

Notable cards in the hobby : r/baseballcards

Ken Griffey Jr rookie card - Sports Trading Cards

大特価セール開催中 MLB 1989 UPPER DECK KEN GRIFFEY JR. RC

How to Spot a High Grade 1989 Upper Deck Ken Griffey Jr.

1989 Topps Tiffany Ken Griffey Jr. that I bought at an antique

KEN GRIFFEY JR UPPER DECK 1989 ROOKIE CARD - Sports Trading Cards

1989 Upper Deck Ken Griffey Jr Rookie Baseball Card Graded 9

Not happy about the Ken Griffey Jr. grade, but it is what it is

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

Ken Griffey Jr rookie card - Sports Trading Cards

Ken Griffey Jr. next to the current number 1 prospect from the

Did anyone else not know this?? : r/baseballcards