Pyrex Yellow Mixing Bowl #404 Primary Colors 4 Qt Large Nesting MCM Vintage

This is the iconic Primary Yellow nesting mixing bowl, the largest in the original 400-series set. A mid-century kitchen essential, this #404 bowl features a vibrant yellow exterior and a clean white opal glass interior. Based on the backstamp—featuring "PYREX" in all caps and the "Made in U.S.A." mark—this piece dates from the mid-1950s to early 1960s. Measurements see photos No chips or cracks