Identify Pyrex Using Markings and Stamps
The color and pattern isn’t the only thing that will help you determine whether your Pyrex is antique or vintage. Use the glass markings, stamps, and logos on the pieces themselves to identify when the glass was produced.
Also question is, are old Pyrex bowls worth anything?
Before you decide to donate or toss any of that outdated glassware, think twice: Vintage Pyrex sets have sold for up to $1,800 online. … Even single bowls have gone for a whopping $900 and this “Foulard Pyrex mug” on Etsy is up for sale at $800.
Beside above, how can I tell if my Pyrex is borosilicate?
Eyeball It. If you have a dish at home that you want to test you can also try just looking at the hue. If you look at the edge of a dish and it is made out of soda-lime glass it will be a blueish-green hue. If the glass is Borosilicate then you should not see any color.
How do you date Pyrex Flameware?
(Flameware percolators can be dated by their lid knobs — thinner knobs are earlier — but covers often get mixed up.) Among the rarer and costlier pieces of vintage Pyrex are Ms.
The design is of green grass with clovers running along the bottom of the dish and pink hearts interspersed throughout the middle of the dish. The one owned by the Corning Museum of Glass is unique in that there are no pink hearts on the design, only the green grass and clovers.
Some vintage Pyrex can earn up to $3,000, reports NPR—nevermind that it’s not dishwasher safe, and it’s a pain to lug around compared to modern iterations. Sure enough, we found a 1950s set selling for $1,850 on Etsy, and one from 1960 for $700 on eBay. There’s even a rare vintage Pyrex bowl mold going for $1,000.
Patterned Pyrex—such as the 1956 Pink Daisy or the 1983 Colonial Mist—also tend to be valuable as a collector’s item. Some patterned collections, like the 1959 Lucky in Love heart and four-leaf clover design, have been valued as high as $4,000 for one bowl.
Atomic Eyes is the oldest Pyrex pattern known to exist.
Originally released as the “Hot ‘N’ Cold Chip and Dip Set,” this set was simply a large and small mixing bowl with a metal bracket that allowed the dip to be suspended over the bowl of chips.
For collectors, the Pyrex sweet spot runs from the 1950s to the late 1970s, when the dishes were still made from borosilicate glass. … Many of those items, like cups and saucers made from Fire King jadeite glass and mixing bowls decked out in cheery polka dots, are still collectible today.
as a line of clear borosilicate glass used in the laboratory or in the kitchen. Its multifunctional use and ability to withstand a high heat made it incredibly popular for home cooks and universities alike. … One day, she baked a small sponge cake in a sawed-off battery jar made from Pyrex that was used in the lab.