We have a task for you: go to your jewelry box. If you’re lucky, perhaps you have a jewelry armoire. Whatever your jewelry ...

"I figured, for a few bucks, they were worth further investigation," the discoverer of the hidden gems told Newsweek.

Antique or vintage pieces, especially those made from precious metals or containing rare gemstones, can be worth a lot of money. Even costume jewelry from certain eras, like the Art Deco period ...