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: 1950s
Values: Check below on Ebay for approximate prices
Sizes and ID#s: #501 (1.5 cup) #502 (1.5 pint) #503 (1.5 quart)

Not too much to say about these Opal White Refrigerator Dishes, except that they are a little more uncommon than your average ordinary refrigerator boxes in yellow red or blue.

Introduced in the 50s, these have the usual clear lids along with solid white opal color with no design on them at all. A bit more difficult to keep clean because of all that white space on them. I believe they came in the usual 4 set with all of them the same white color. 2 #501 1 1/2 cup, 1 #502 1 1/2 pint and 1 #503 1 1/2 quart boxes.

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