Pyrex "Spring Blossom" (often called "Crazy Daisy") was produced from 1972 to 1981.
Spring Blossom Green was released in two versions. The first from 1972 to 1979. The second from 1979 to 1981.
The rarest and most valuable vintage Pyrex piece is generally considered to be the "Lucky in Love" 1-quart casserole dish, dating back to 1959.
To date Pyrex, flip the piece over and examine the backstamp, logo, and inventory numbers. The branding, material, and shape offer the clearest clues to determine when a piece was manufactured.
The most sought-after vintage Pyrex patterns are driven by color, scarcity, and mid-century aesthetics. Highly coveted designs feature rare promotional motifs (like "Lucky in Love" or "Atomic Eyes") and vibrant, iconic colorways (such as Pink Gooseberry, Butterprint, and New Dots).
Patterned Pyrex—such as the 1956 Pink Daisy or the 1983 Colonial Mist colorways—tend to be valuable as a collector's item. Other popular patterns include the 1957 Butterprint, which features an Amish couple and their crops, and has been valued at a few hundred dollars.
To determine if your Pyrex is worth money, focus on age, rarity, and condition. Vintage pieces (1915–1970s) in excellent, unblemished condition are the most valuable.
Pyrex can last a long time. If you have Pyrex that's still in good condition (i.e., no cracks or chips in the glass), don't throw it away. Give it away or donate it to a thrift shop.
Vintage Pyrex refers to glassware manufactured by Corning Glass Works between the 1940s and 1970s. Authentic pieces feature a distinct, highly durable borosilicate glass.
Numbers on the bottom of vintage Pyrex dishes are product identification codes indicating the mold size and model type. These 3 or 4-digit numbers allow collectors to identify specific bowls, casseroles, or lids, often with the last digit denoting capacity in pints or quarts (e.g., 401 = 1.5-pint bowl).
Vintage Pyrex, particularly the pink casserole dishes with lids, is highly sought after by collectors. Produced primarily in the mid-20th century, these dishes are known for their durable glass, vibrant colors.
How you handle old Pyrex depends entirely on its condition and value. For safety, always check for chips and remember to dispose of severely damaged or broken pieces in the regular trash, as they cannot be recycled.
The Lucky In Love design is printed on the one-quart Round Casserole (473) and remains one of the most elusive Pyrex designs ever created by Corning Glass Works. Released in 1959, Lucky In Love is most likely a limited release product or even a test piece.
Spring Blossom Green and Crazy Daisy are the same thing. But because it's more catchy that name is used more frequently in auctions. We are going to keep this page around, but will label all future instances or variations of the pattern as “Spring Blossom”.
To determine if your vintage Pyrex contains lead, the most reliable method is to use at-home lead test swabs. Because older colored Pyrex often used lead and cadmium in its exterior painted designs, visual inspection alone isn't enough.
Because the Gooseberry pattern was one of two patterns first released on the new spout and handle nesting bowls, the Cinderella name has become synonymous with this type of Pyrex nesting bowl. Most Gooseberry dishes are pink on white backgrounds or white with pink backgrounds.
The most sought-after vintage Pyrex features unique colors, promotional motifs, and limited-release production runs. Highly prized sets like the 1958 Lucky in Love Lucky in Love, Atomic Eyes Atomic Eyes, and Golden Sunflower Golden Sunflower Daisy routinely command thousands of dollars among collectors.
To date Pyrex, flip the piece over and examine the backstamp, logo, and inventory numbers. The branding, material, and shape offer the clearest clues to determine when a piece was manufactured.
The "good" Pyrex is vintage glassware featuring the uppercase PYREX logo. Made from borosilicate glass, it can handle extreme temperature changes (thermal shock). Modern glassware has a lowercase pyrex logo. Made of tempered soda-lime glass, it is more prone to shattering from sudden temperature shifts.
Using vintage Pyrex (made before the late 1970s) for eating or cooking comes with serious risks. While the glass itself is inert and food-safe, the painted exteriors on these colored bowls and baking dishes frequently test positive for high levels of lead and cadmium.
Specialised Recycling
Bedsheets & Linen in good condition are often collected in door-to-door collection drives and cash for trash events. Items that don't meet their quality standards may be rejected or sent for incineration.
Pyrex (glass) cannot be recycled in your local council's kerbside recycling bin, box or bag. Pyrex dishes can be disposed of in your rubbish bin or brought to your local Household Waste Recycling Centre.
One of the most valuable vintage Pyrex pieces you can find is the Atomic Starburst casserole dish. Only manufactured for a year beginning in 1960, it was one of the brand's promotional pieces Wright shares are highly sought after due to their limited production.
Numbers on the bottom of vintage Pyrex dishes are product identification codes indicating the mold size and model type. These 3 or 4-digit numbers allow collectors to identify specific bowls, casseroles, or lids, often with the last digit denoting capacity in pints or quarts (e.g., 401 = 1.5-pint bowl).
Vintage Pyrex is highly expensive due to a mix of nostalgia, limited supply, and superior durability. Prices routinely soar from $50 to hundreds or even thousands of dollars based on several key factors: