Whether you love them or hate them, there is one thing I think we can all agree on when it comes to 1987 Fleer baseball cards:

Those two-tone blue borders are instantly recognizable…

You could hide the player images, names, team affiliations, etc. and leave nothing showing but the borders and still be able to identify this set.

And, I think that counts for something.

While most of these cards’ values have suffered over time due to massive printing and market saturation, some are still worth a respectable amount.

And, in this guide, I’ll go through the fifteen most valuable.

Let’s jump right in!

One thing is instantly noticeable about the 1993 Upper Deck baseball card set:

the imagery and design of these cards are impeccable.

Upper Deck continued to set the bar when it came to innovative hobby design standards and image quality, doing whatever it could to win collector favor from Topps, Donruss, and Fleer.

While many in the checklist have seen their values diminish due to massive print runs and market saturation, some can still be worth a respectable amount in top condition.

And in this guide, I’ll run through the eleven most valuable.

Let’s jump right in!

During an era when baseball card designs had grown somewhat routine, 1990 Leaf baseball cards offered collectors a premium collecting experience with beautiful, glossy cards on high-quality card stock.

Like the 1989 Upper Deck baseball card set had done the year before, this set helped up the standards for years to come.

And, collectors haven’t forgotten: to this day, the set remains extremely popular throughout the hobby…

Packed with Hall of Famers and several key rookie cards, there is plenty to love within its 528-card checklist.

And in this guide, I’ll run through the thirteen most valuable.

Let’s jump right in!