Parade aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Not sure where to start on your vintage Pyrex collecting journey?

That tiny oval label could mean the difference between $15 and $200.

Add Yahoo as a preferred source to see more of our stories on Google. Vintage collectors pay good money for many of those brands’ older products in good condition, but at the moment, Pyrex is the ...