Pyrex dishes also hide a little secret code: Many contain a three- or four-digit number that corresponds to a specific dish. A series of Mixing Bowls will feature 401 (1.5 pint), 402 (1.5 quart), 403 (2.5 quart), 404 (4 quart). The iconic two-quart green-and-white casserole dish is a 232.

How do you date old Pyrex?

Use the glass markings, stamps, and logos on the pieces themselves to identify when the glass was produced. The oldest Pyrex markings should be on the bottom of glass pieces and feature Pyrex in all capital letters inside a circle with CG for Corning Glassworks.

What size is Pyrex 472?

The Bake Serve and Store casseroles are very popular. They are numbered as follows: 471 (1 pt), 472 (1.5 pt), 473 (1 qt).

Are Pyrex bowls worth anything?

Patterned Pyrex—such as the 1956 Pink Daisy or the 1983 Colonial Mist—also tend to be valuable as a collectors 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. But colored Pyrex must look shiny and new.

How much are my vintage Pyrex bowls worth?

Some vintage Pyrex can earn up to $3,000, reports NPR—nevermind that its not dishwasher safe, and its 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. Theres even a rare vintage Pyrex bowl mold going for $1,000.

What is Cinderella Pyrex?

Cinderella Story. In 1957, Cornings Pyrex kitchenware designers devised a few new shape models to freshen things up a bit. These were, primarily, a set of four nesting mixing bowls, with new round casseroles in a handful of sizes following in 1958.