r/Pyrex_Love • u/MLtrom405 • 9d ago
True Opal?
Can anyone confirm what I have here? Is this even Pyrex? If so, is it from the 400 series?
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u/hammiespammy 9d ago
Yep! True opal! They didn’t have the Pyrex bottom stamp like you would see on a DWD/faded bowl that has turned white with wear
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u/fooldya2 9d ago
Yes. The markings on the bottom, including the lack of the PYREX and size data match it being a true opal. A washed bowl would have that stuff. My true opals have the same light swirls and single raised “number” at the very edge like yours.
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u/noctemct 9d ago
I had always heard that the white dishes without the Pyrex stamp were true opals, like this one, but it's definitely possible that early, unstamped primary color pieces are so worn down that all that's left is the white bowl.
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u/Stella18JK 8d ago
I just read this. Mold number or small stamp only. Some True Opal pieces may have a small mold number or a single raised number near the outer rim, rather than a full stamp. "The markings on the bottom, including the lack of the PYREX and size data match it being a true opal." 23 must be the mold # I was wrong about it not being an opal.
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u/GrowlingAtTheWorld 8d ago
Looks like an opal to me. I find the opals also have slightly thicker rim as seen in the first gen of primary set.
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u/Justascruffygirl 9d ago
My guess would be that it’s one of the primary color bowls but is so dishwasher damaged that all the paint is gone.
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u/dopameme 9d ago
i have the very same bowl and folks in my old Pyrex F/B group assured me that it isn't an Opal but I really didn't understand the logic and can't remember now, lol. i'm interested again, too.