On September 22, 2025, just over a month ago, three 1989 Upper Deck Ken Griffey, Jr., PSA 10 cards sold through the ...

What are most expensive Ken Griffey Jr. cards of all-time? Let's dive in to it! If we asked you to picture the smoothest baseball swing ever, you probably would think of Ken Griffey Jr. A 2013 Hall of ...

When it comes to collercting high demand names such as Ken Griffey Jr., PSA 9 versions offer collectors a great point of entry.

Unfortunately for collectors, most of the cards they picked up in 1989 are barely worth the cardboard they're printed on, hence the "Junk Wax Era" moniker. However, a notable outlier is the Upper Deck ...

The Topps 1990 Ken Griffey Jr. Seattle Mariners #336 Baseball Card is currently causing a stir in the world of sports collectibles. With a list price of $5,000, this card featuring the iconic ...

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 ...