Ever wonder if that plastic container tucked in the back of grandma's cupboard could be worth more than a family heirloom?

The Tupperware that's piled in your pantry (or your parents' or grandparents' pantries) may actually serve you better listed for sale online than sitting on a shelf-if it's old Tupperware, that is.

Antique Tupperware might seem like something to toss, but some have become more valuable over time and can be worth a surprising amount on the resale market.

While Tupperware was once a staple in American kitchens, the company is currently facing financial difficulties, with reports suggesting that it may be on the brink of bankruptcy. Founded in 1946 by ...