Pattern: Solid Colors
Identifiers / Alternate Names: Various color shades, but all completely solid colored on the Pyrex item. Also known as: Primary Colors, Multi-Colored, Yellow Red Green Blue
Item Type: 500 Series Oven-Refrigerator Dishes Set
Years Manufactured: 1950 - 1952, and later
Values: Check below on Ebay for approximate prices
Sizes and ID#s: #501 (1.5 cup) #502 (1.5 pint)

I admit it is a bit weird to be listing “clear” items in the Pyrex Colors database, but I chose to put these 500 Series Refrigerator Boxes in this category instead of the ovenware because they were made at the same time as the colored pieces, and in a few books (including Mauzy’s Unauthorized Collectors Guide) it is listed with the colored pieces.

Anyhow, you don’t see these fridge boxes that much on Ebay, probably because most people who collect the 500 series like designs on them like the butterprint and pink gooseberry patterns. I’m not 100% sure about it, but I think there were only 2 sizes sold with this set: 2 #501 1 1/2 cup pieces and 1 #502 1 1/2 quart item. Here’s a picture of the latter that I picked up:

Pyrex Love - Clear Refrig Box

Even if you don’t intend to collect the clear version of these popular refrig dishes, I would recommend picking them up if they are very cheap and in mint. The reason? The lids. It is extremely difficult to find super mint condition lids to go with most refrigerator boxes. The lids are the first to get dinged or cracked or damaged, particularly on the bottom edges. Since the clear refrig box lids are the same as used on most of the color ones, you can always upgrade your lids if you find a clear refrigerator box that no one wants.

You should also note that although Barbara Mauzy’s Pyrex book states that clear refrigerator dish sets were only sold from 1950-1952, we have seen some original boxes with 8 piece clear refrigerator dish sets (503, 502, and 2 501s) which are definitely produced “later”, and in fact have the rectangular backstamp. The box’s Pyrex logo is also the “newer” style that didn’t come into existence until the 1970s. I believe the lids from those are also the “newer” style with lines all over the cover instead of just on the ends. So just be careful to ask about the backstamp - the older clear refrigerator boxes can sell for quite high prices.


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