If you've ever collected sports cards, you might remember them as cheap pieces of cardboard. But today, some rare cards are selling for millions, revealing a surprising shift in how these collectibles are valued.
Rare sports cards are exploding in value, making headlines with record-breaking sales.
A 2000-01 Upper Deck Game Used Patch Autograph card of Kobe Bryant, graded PSA 10, recently sold for $1.795 million.