These seven vintage kitchen pieces can be surprisingly valuable today. Learn which retro cookware, glassware, and more collectors are paying for—and how to spot the valuable pieces in your home.

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

Stop! Before you drive to the donation center, check this list for items that could be considered junk but sell for hundreds of dollars.