Have you ever flipped through an old box and stumble across an Upper Deck Griffey that's been hiding for years? For you ...

Throughout the month of October, Collectibles on SI provided consistent coverage of the rapid and seemingly inexplicable rise of the 1989 Upper Deck Ken Griffey rookie card as it shot past the $4000 ...

Ken Griffey Jr. is among a short list of baseball players who showed signs of greatness at a young age and lived up to the expectations of card collectors. Griffey’s sweet swing and enduring influence ...

To many collectors, the 1989 Ken Griffey Jr. Upper Deck baseball card, #1 in the set, sticks out as one of, if not the most, iconic cards of the junk wax era. The 1989 Ken Griffey Jr. Upper Deck ...

Though Ken Griffey Jr.’s 1989 Upper Deck rookie card is by far his most famous card — and among the most iconic in history — it isn’t his most valuable card. That distinction currently belongs to his ...

Sports card collectors normally chase the highest graded examples of the card they’re seeking, and they pay a pretty penny for the privilege. But there’s a subset of the community that is chasing the ...

Ken Griffey Jr. Bubble Gum card has been taking over the hobby, but no one is talking about his other Bubble Gum card. The ...