Some ordinary-looking thrift finds can be surprisingly valuable: Vintage Pyrex, Big-E Levi’s, sterling silver, and ...

Rare winter-themed Pyrex dishes are widely sought after. Identify key markings, production years, and resale values for vintage collectors.

Vintage Pyrex dishes are known for their collectibility, and this popular '60s dish is no exception -- it's still impressively hard to find today.

You may be a smart and thrifty shopper already, but trust us when we say that you'll want to keep an eye out for these pieces ...