Vintage 1950s shop PYREX Primary Set 401 402 403 404

Product Name: Vintage 1950s shop PYREX Primary Set 401 402 403 404
Vintage PYREX nesting bowls from the 1950s. All are shiny with no dishwasher damage but all have signs of use. Please see photos. Colors are bright and shiny, no chips or cracks but some edge wear as pictured. Includes Yellow 404, Bright Green 403, Poppy Red 402 and Blue 401 all numbered. Displays Beautifully! In good vintage condition. Any major marks are pictured. These are nesting bowls in sequential order, set of 4, not Cinderella bowls. Proclaimed as the “World's most famous mixing bowl set,” the Primary Colors set was the first of the Pyrex items shop produced on white opal ware with colored overlay. The set included four mixing bowls, which came in yellow, green, red and blue. As the earliest set released by Pyrex opal ware the new “Color Bowl Set” did not have standard model numbers such as 401, 402, 403 and 404 as we have come to know them today, but they are standard bowl sizes. They were redesigned in the 1950s to include numbers and sizes on the bottom of each bowl.