Finding Value in Pyrex
Volume 1 of Micro Category Tips
This is one of those interesting brands that sometimes hide value in plain sight. Modern pyrex isn’t such a big deal, but vintage PYREX can sell for good money. Sometimes hundreds of dollars.
The Pyrex brand was introduced in 1915 so there is some real antique and vintage stuff out there.
Many wares processors have no idea how to tell the difference between modern “cheap” pieces and good vintage. Telling the basic difference is simple.
The over-simplified cliffs note version:
PYREX (all upper case)is safer to use and more valuable than pyrex (all lower case). PYREX has not generally been manufactured since 1985 when Corelle sold the brand. The new owners went with the cheaper formulation. They use lowercase brand copy.
PYREX colors and designs are more valuable and should be researched.
PYREX original lids will have PYREX along the side and numbers that correspond to numbers on the bottom of the matching bowl. Having both adds value.
pyrex (lowercase) doesn’t have collector value but is worth a little more than unbranded similar goods. It is made out of cheaper materials and does not tolerate heat as well as the original PYREX. pyrex can explode or break if heated too much. Manufactured since 1985~, still being made.
The first one is a youtube short that gives a quick explanation. I couldn’t get it to create a frame like the rest.
https://youtube.com/shorts/f-nfX1BXss0?feature=share
Another short explanation of the basic difference:
A deeper dive into styles and colors from a collectors view:
If you want to geek out, this is a time line, it’s incomplete but useful.
There is even a Corning Museum of Glass.
And a little about Anchor Hocking’s version
Tim Gebauer
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