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Handy Guide to Pyrex Identification Marks, Patterns, & Value
A Delphine Bluebelle bowl with a slight color change indicating a transition in two glass colors sold for over $2,500. How do you know if your Pyrex is worth money? Look for especially old pieces ...
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A Guide to Collecting Vintage Pyrex—Plus, How Much It's Worth
Until recently, vintage Pyrex was purchased mainly by longtime devotees—or passed down from previous generations. But in the ...