The bad news is that most of those old football cards you've saved for decades aren't worth much. Scan the "sold" listings on eBay , for example, and you'll find entire collections that sold ...

5 Best Football Cards to Invest In. If you’re looking to add value to your collection or portfolio, some top football cards often emerge as promising options.Below, you’ll see five cards that ...

This Ronaldo card was a one-of-a-kind item and could be sold for up to £12,000 Credit: The Sun. As an avid football fan, I've often considered delving into trading cards.

This card is a symbol of the evolution of not just football, but the sports card hobby. A PSA 9 has sold for over $85,000 on March 30th of last year, and last year a PSA 10 sold for $289,000.