Your mom might have bought those iconic plastic containers for a few dollars, but today, vintage Tupperware items can be worth a lot more than the leftovers they hold. In fact, some classic examples can be worth $100 or more.
Many people consider Tupperware one of the biggest inventions of the 20th century. After all, it revolutionized the ability to store food in airtight containers, and it had a presence in just about every kitchen in America. It's still a pretty big deal, too. Check your cabinets for these beauties as you learn a little more about how to identify Tupperware that has value.