Add Yahoo as a preferred source to see more of our stories on Google. Pyrex serving dishes with flowers on them. - Danielle Skibola/Getty Images Vintage Pyrex cookware has become a cult favorite among ...

Add Yahoo as a preferred source to see more of our stories on Google. A pyrex measuring cup on top of a vintage pyrex bowl - Noderog/Getty Images Pyrex is the vintage dishware brand you should always ...

Time to check your kitchen cabinets!

From faded patterns to missing lids, collectors say these details can dramatically affect the value of vintage Pyrex.

That insignia on your vintage Pyrex? It might be the difference between ordinary and seriously valuable — knowing what to look for is crucial.