What collector or investor wouldn't want a time machine? Just imagine setting the dial for September 1952, scooping up all the 1952 Topps Baseball packs you could (for a nickel!), and pulling Mantle ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Grading cards used to be the exception and now it’s the rule for many collectors, as card values have risen and third-party assessment of condition has become a part of the commodification process.

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 ...

Then again, why stick to baseball cards? Have you seen what gold has done over the last 20 years? Back in 2005, an ounce of gold could be had for around $400. Today, that same ounce is worth about ...