Ken Griffey Jr. is the GOAT of 90's baseball, and so are his cards. His market is hot, and so are his early inserts.

Have you ever flipped through an old box and stumble across an Upper Deck Griffey that's been hiding for years? I did earlier this year. I remember how Upper Deck took the card world by storm when ...

The worst kept secret is making an impact on the sports cards world. A single base card that was once selling for less than a cheeseburger at McDonalds, is now selling for more than the set itself.

Ken Griffey Jr. has not played in a game since May 2010. It has been nearly a decade since he was inducted into the Baseball Hall of Fame. Outside of a recent appearance as a photographer working at ...

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 year was 1988. The sports card industry was booming, led by Topps, Donruss and Fleer. A new company called Score had just put out their first major set, and a new brand called Upper Deck—named ...

Ken Griffey Jr. is known for his backwards hat, his swagger, the smile, and the swing. Now he is known for the "Bubble Gum" card. The worst kept secret is making an impact on the sports cards world. A ...