8 Very Rare (and very expensive) Video Games
If you've ever collected baseball cards, comic books, stamps, or maybe those limited edition commemorative plates, you understand the concept of the "Holy Grail" item.
It's that last, hard-to-find, incredibly rare, usually expensive piece that you have to have before you can officially say your collection is complete. If you're a collector of vintage home video game cartridges (or "carts"), sometimes that can mean paying a pretty penny for the pièce de résistance.
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