Unveiling the World's Most Valuable Collectors' Items

27. Old Igloo Coolers (Original Price: $15* Worth Today: $25*)

Remember those colorful Igloo Polar 6 coolers? They scream 90s nostalgia and now they're making a comeback. You can score around $25 for one of these coolers on eBay or Etsy, thanks to the current trend of reliving the good ol' days. If you happen to own a Polar 6 or any other "vintage" Igloo cooler in decent condition, it's time to consider selling it. Who knows, you might make some extra cash!

Igloo Products Corp. has been in the business of crafting ice chests, coolers, and cooler bags since 1947. Based in Katy, Texas, this company boasts a team of 1,200 dedicated employees. Their annual revenue reaches into the hundreds of millions. Fun fact: In 2008, Igloo proudly announced that a whopping three out of four households in the U.S. owned an Igloo cooler.