#9: Star Wars
Star Wars collectibles from the original trilogy era in the 1970s? Those can bring in serious cash—especially if they’re still sealed and pristine. But if your collection leans more toward the 1990s or early 2000s, don’t expect galactic riches.

According to the Chicago Tribune, mass production and the lukewarm reception of the prequel films have kept values low. While nostalgia runs strong, only the rarest or most iconic pieces from the franchise’s golden age have skyrocketed.